Category: Academy

Sympathetic Arousal: A Breakthrough Mental Health Measurement

Reading time: 4 min

Sympathetic Arousal and Heart Rate Variability

Understanding mental health and stress management is crucial for clinics aiming to improve patient care and deliver better mental health outcomes. Two critical metrics in this area are Heart Rate Variability (HRV) and Sympathetic Arousal (SA). HRV measures the variation in time between consecutive heartbeats, reflecting the balance between the sympathetic and parasympathetic branches of the autonomic nervous system (ANS). The parasympathetic system helps the body relax and recover, while the sympathetic system prepares the body for action, often called the “fight or flight” response.

Parasympathetic vs Sympathetic Branch

Assessing the parasympathetic branch through short term HRV is relatively straightforward as it involves analyzing the time-domain (e.g., RMSSD) and frequency-domain (e.g., high-frequency power) components of heart rate signals. Short term HRV represents a complex relationship between the sympathetic and parasympathetic systems (Shaffer, 2017). This influence is generally consistent and can be easily isolated, making it more straightforward to evaluate ”rest and digest’ activities compared to the complexities of measuring the sympathetic system.

While HRV can provide some insights into the body’s autonomic function, it is not a reliable marker for directly assessing sympathetic arousal, or the body’s response to stress. Measuring the sympathetic side of the ANS is challenging because its signals often overlap with parasympathetic signals and are highly variable. The sympathetic nervous system (SNS) triggers rapid physiological changes in response to stress, such as increased heart rate, vasoconstriction, and heightened alertness. Unlike the parasympathetic system, which can be measured under controlled conditions, sympathetic activation is dynamic, context-sensitive, and transient. These rapid, variable responses are difficult to capture consistently using HRV alone, as HRV lacks the specificity to distinguish between sympathetic and parasympathetic contributions in real-time.

Introducing Sympathetic Arousal

We introduce Sympathetic Arousal (SA), a precise and sensitive marker for real-time stress and anxiety management. SA provides targeted insights into stress responses, enabling timely interventions for well-being. Clinics can use SA to track, understand, and respond to patient stress, leading to more effective treatments and improved mental health outcomes.

How is Sympathetic Arousal Measured?

During stress or excitement, the body’s nervous system causes the tiny blood vessels in your skin to tighten, reducing blood flow. This is part of the “fight or flight” response, preparing the person for action by sending more blood to the muscles and heart. When you’re calm, your skin gets more blood flow, and when you’re stressed, less blood flows to the skin. This change in blood flow can be used to measure how stressed or emotionally aroused a person is—this is the essence of Sympathetic Arousal measurement.

We are excited to have partnered with Philia Labs, developer of a cutting-edge AI-powered algorithm using Biostrap’s high-definition PPG Waveshape features to track these subtle changes in blood to measure Sympathetic Arousal.

This algorithm has been trained on stressor timings (Udhayakumar et al, 2023) and microneurography (Rahman et al 2024, under review) , a gold-standard technique that records real-time nerve activity by inserting a microelectrode into a peripheral nerve. This invasive method directly measures the signals in the sympathetic and parasympathetic nerves, offering precise insights into the autonomic nervous system’s activity. By leveraging this AI-driven measurement method, we can access previously unattainable insights with HRV alone.

Measuring Sympathetic Arousal and HRV Together

By combining HRV and Sympathetic Arousal measurements, clinics gain a more comprehensive understanding of physical and emotional stressors affecting their patients. This dual approach enables earlier interventions and more personalized wellness plans, which can translate into better patient outcomes and overall mental health improvement. Key benefits include:

Detecting early signs of chronic stress and anxiety by identifying physiological changes that are linked to prolonged stress responses. This is key for preventing burnout and maintaining employee well-being.
Providing more accurate mental health assessments beyond HRV.
Identifying specific stress triggers for better management and coping strategies, allowing clinics to understand what stressors may lead to heightened arousal in patients and adjust treatment plans accordingly.
Removing guesswork from evaluating intervention efficacy by objectively measuring changes in sympathetic and parasympathetic arousal. Improvements in sympathovagal balance can ensure that treatment efforts are making an impact on health and well-being outcomes.
Benchmarking best practices for increased ROI by determining which wellness strategies provide the most effective reduction in stress and improving overall employee outcomes.

Monitoring Fatigue

Fatigue is a state of physical or mental exhaustion that results from prolonged activity, stress, or lack of rest. It can manifest as reduced energy levels, impaired concentration, and diminished physical or cognitive performance due to prolonged sympathetic dominance (Tanaka, 2015). Benefits of monitoring both HRV and Sympathetic Arousal can be helpful for fatigue in the following ways:

Spotting physical and mental exhaustion patterns early, allowing for proactive adjustments in workloads or daily routines.
Tailoring fatigue management strategies at scale to improve overall well-being by creating individualized treatment plans that consider the recovery and arousal aspects of a patient’s health.

How Sympathetic Arousal Can Be Used For Your Business

Sympathetic Arousal (SA) is more than just a stress metric—it’s a powerful tool that can transform mental health care, performance optimization, and stress management across various fields.

Healthspan & Longevity Clinics: Chronic stress accelerates aging by over-activating the sympathetic nervous system, leading to inflammation, oxidative stress, cellular damage, and increased risk of age-related diseases like cardiovascular issues and cognitive decline. Monitoring Sympathetic Arousal (SA) helps detect and manage stress early, enabling healthspan clinics to create personalized plans that slow aging, enhance recovery, and promote long-term vitality for healthier, longer lives.

Elite Athletes: Stress disrupts athletic performance by impairing recovery, increasing the risk of injury, and reducing focus and endurance due to prolonged sympathetic nervous system activation. By tracking Sympathetic Arousal (SA), excessive stress can be identified, allowing athletes and coaches to optimize recovery, balance training, and minimize the risks of burnout and injury.

First Responders & Military Personnel: Chronic stress and fatigue in first responders (e.g. Police, firefighter, EMTs) and military personnel impair decision-making, reduce endurance, and heighten the risk of injury or burnout. Prolonged exposure without recovery increases vulnerability to PTSD and other mental health issues, impacting long-term resilience. By monitoring Sympathetic Arousal (SA) in real time, stress can be managed during critical operations, improving performance and reducing the long-term risks of burnout and PTSD.

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References

Shaffer, F. (2017, September 28). An Overview of Heart Rate Variability Metrics and Norms. PubMed. Retrieved October 11, 2024, from https://pubmed.ncbi.nlm.nih.gov/29034226/

Tanaka, M. (2015, September 29). Frontier studies on fatigue, autonomic nerve dysfunction, and sleep-rhythm disorder. NCBI. Retrieved October 11, 2024, from https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4621713/

Udhayakumar, R. (2023, August 30). Measurement of stress-induced sympathetic nervous activity using multi-wavelength PPG. Royal Soc. Open Science. Retrieved October 11, 2024, from https://doi.org/10.1098/rsos.221382

Ziegler, M. (2012). Chapter 61 – Psychological Stress and the Autonomic Nervous System,. Primer on the Autonomic Nervous System (Third Edition). Retrieved October 11, 2024, from https://doi.org/10.1016/B978-0-12-386525-0.00061-5

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Academy > article > Human Performance

Is Your Sympathetic Nervous System in Overdrive? Here’s How to Tell

Reading time: 4 min

In the hustling rhythm of modern life, it’s easy for your body’s stress-response system to kick into high gear. The sympathetic nervous system (SNS) is your body’s accelerator in stressful situations, ramping up your heart rate, increasing blood pressure, and preparing you to fight or flee. But what happens when your sympathetic nervous system goes into overdrive? Understanding the signs can help you regain balance and protect your health.

What is the Sympathetic and Parasympathetic Nervous system

The autonomic nervous system (ANS) is a critical regulator of many of the body’s automatic functions, such as heart rate, digestion, and respiratory rate. It is divided into two main branches: the sympathetic and parasympathetic nervous systems (Shaffer & Ginsberg, 2017).

These two systems work together to maintain balance, but they have opposing functions that help the body respond to different situations. The difference between sympathetic and parasympathetic nervous system functions is outlined below.

Sympathetic Nervous System: The “Fight or Flight” Response

The Sympathetic Nervous System (SNS) is often referred to as the “fight or flight” system. It is activated when the body perceives a threat or stressor, whether physical or emotional. In response, the sympathetic system triggers a range of physiological changes, including:

Increased heart rate and blood pressure to deliver more oxygen to muscles (Thayer et al., 2012).
Dilation of the airways to enhance breathing (McEwen, 2007).
Suppression of digestion to conserve energy for dealing with the perceived threat (Selye, 1950).

Sympathetic Nervous System function include activating the body for rapid action, enabling it to handle stress and potential danger. However, chronic activation of the sympathetic nervous system, as seen in individuals experiencing CNS fatigue or chronic stress, can lead to detrimental effects on health such as physical and mental health issues (Berntson & Cacioppo, 2000).

Parasympathetic Nervous System: The “Rest and Digest” Response

In contrast, the parasympathetic nervous system is responsible for promoting relaxation and recovery. Often called the “rest and digest” system, it encourages functions that help the body conserve energy and recover (Porges, 2007). When the parasympathetic system is dominant, you may experience:

Slower heart rate and lower blood pressure (Shaffer & Ginsberg, 2017).
Enhanced digestion and nutrient absorption (Selye, 1950).
Relaxation of muscles and a sense of calm (McEwen, 2007).

The parasympathetic nervous system is most active when the body is at rest and not facing immediate stressors. It is crucial for recovery from exercise or stress and plays a key role in counteracting the effects of sympathetic nervous system activation.

Signs of Sympathetic Nervous System Overdrive

Increased heart rate: If your heart often races or you notice palpitations in non-threatening situations, it could be a sign that your SNS is overly active (Thayer et al., 2012).
High blood pressure: Persistent high blood pressure might be another signal. The SNS raises blood pressure to increase blood flow during stressful situations, but over time, this can strain your cardiovascular system (McEwen, 2007).
Sleep problems: Trouble falling asleep or staying asleep can be linked to an overactive SNS. High stress levels can make it difficult for the body to transition into the calm state necessary for deep sleep (Selye, 1950).
Anxiety or irritability: Mental health can also be affected by an SNS in overdrive. If you find yourself constantly feeling on edge, anxious, or unusually irritable, it might be time to assess your stress levels (Berntson & Cacioppo, 2000).
Sweating: Excessive sweating, especially when not physically exerting yourself, is a classic sign of SNS activation (Thayer et al., 2012).
Digestive issues: The SNS diverts blood away from the stomach and intestines and toward the muscles during stress, which can lead to digestive problems like nausea, indigestion, or diarrhea (McEwen, 2007).

Managing an overactive Sympathetic Nervous System

If you suspect your Sympathetic Nervous System is often in overdrive, there are several strategies you can implement to encourage a shift toward a more balanced autonomic state:

Mindfulness and meditation: Practices like mindfulness, meditation, and deep-breathing exercises can activate the parasympathetic nervous system (PNS), the counterbalance to the Sympathetic Nervous System, promoting relaxation and recovery (Porges, 2007).
Regular exercise: Physical activity, especially aerobic exercise, can help metabolize excess stress hormones, enhancing your mood and overall sense of well-being (Thayer et al., 2012).
Adequate sleep: Prioritizing good sleep hygiene—such as a regular sleep schedule, a dark and cool bedroom, and avoiding screens before bed—can help reduce SNS activity (McEwen, 2007).
Healthy diet: Eating a balanced diet rich in fruits, vegetables, whole grains, and lean proteins can support overall health and help regulate stress responses (Selye, 1950).
Professional support: If stress feels unmanageable, consider seeking support from a mental health professional or counselor who can offer strategies and support to manage anxiety and stress (Berntson & Cacioppo, 2000).
Spend time with loved ones: Engaging with friends, family, and community can provide emotional support and reduce stress. Activities that foster positive social interactions can help moderate the body’s stress responses (Porges, 2007).

Monitoring Your Autonomic Nervous System

For those interested in a more tech-savvy approach, you can monitor signs of SNS activity with the Biostrap Kairos. Its novel Spot Check features provides insights into your ANS balance, HRV data and heart rate, so you can use that data as a feedback loop to better understand the impact your lifestyle choices has on your well-being. By tracking these metrics, you can get real-time feedback on your body’s stress levels and the effectiveness of various interventions (Shaffer & Ginsberg, 2017).

Recognizing when your SNS is in overdrive is crucial for maintaining both physical and mental health. By understanding the signs and taking proactive steps to manage stress, you can help ensure your body’s stress response works for you—not against you. In doing so, you create a more balanced, healthier life that allows for both productivity and relaxation.

References

Berntson, G. G., & Cacioppo, J. T. (2000). Heart rate variability: Stress and psychiatric conditions. In M. H. Agelink, A. Bozbas, & H. E. Weiss (Eds.), Autonomic Dysfunction and Psychiatric Disorders (pp. 57-64). Karger Publishers.

McEwen, B. S. (2007). Physiology and neurobiology of stress and adaptation: Central role of the brain. Physiological Reviews, 87(3), 873-904. https://doi.org/10.1152/physrev.00041.2006

Porges, S. W. (2007). The polyvagal perspective. Biological Psychology, 74(2), 116-143. https://doi.org/10.1016/j.biopsycho.2006.06.009

Selye, H. (1950). Stress and the general adaptation syndrome. British Medical Journal, 1(4667), 1383-1392. https://doi.org/10.1136/bmj.1.4667.1383

Shaffer, F., & Ginsberg, J. P. (2017). An overview of heart rate variability metrics and norms. Frontiers in Public Health, 5, 258. https://doi.org/10.3389/fpubh.2017.00258

Thayer, J. F., Åhs, F., Fredrikson, M., Sollers, J. J., & Wager, T. D. (2012). A meta-analysis of heart rate variability and neuroimaging studies: Implications for heart rate variability as a marker of stress and health. Neuroscience & Biobehavioral Reviews, 36(2), 747-756. https://doi.org/10.1016/j.neubiorev.2011.11.009

Academy > article > hot trending > Human Performance

Deciphering Stress: Is It Emotional or Physical? Here’s Why It Matters

Reading time: 3 min

Ever feel like your body’s sending you mixed signals? One moment you’re wound up tighter than a spring, and the next, you’re too drained to move. It’s like being stuck in traffic with your emotions honking loudly, trying to signal you through the fog. Understanding whether you’re dealing with emotional or physical stress isn’t just about putting a name to your pain; it’s about finding the right tools in your self-care kit to deal with it. Distinguishing between these two types of stress is crucial in order to manage them effectively.

Emotional or physical stress

Picture this: Emotional stress is like having a bunch of browser tabs open in your brain—constantly loading, never quite settling. It stems from worries, anxieties, and the mental burdens we carry. Physical stress, on the other hand, is the body’s way of saying, “Hey, remember that high-intensity interval training session at the gym? I’m still dealing with that.”

Why does the distinction matter? Because the remedy for a mind cluttered with worries is different from the cure for muscles aching from overexertion. Recognizing the source of your stress is step one on the path to managing it.

How to tell them apart

Feeling stuck in a mental loop, ruminating over past conversations or future anxieties? That’s your cue for emotional stress. On the flip side, if your body feels like it’s been through a wringer after a physically demanding day, you’re looking at physical stress. The key to differentiation lies in self-awareness—listening to what your body and mind are telling you. Here’re are six actionable tips for managing stress – both physical and emotional.

Caught in a thought tornado? Go for a walk.

When your mind is a maze of worries, a change of scenery can work wonders. Walking isn’t just good for your body; it’s a balm for the mind, too. It’s about hitting the refresh button on your thoughts and letting nature’s calm infiltrate your mental chaos.

Feeling down? Hit the gym.

If emotional stress has you feeling low, exercise can be your elevator. It’s not just about staying fit; it’s about releasing endorphins, those feel-good hormones that act like natural painkillers and mood lifters. Whether it’s a dance class, a quick jog, or yoga, moving your body can help clear the emotional clutter.

In a Funk? Get some sun.

Never underestimate the power of a sunny day. Sunlight is nature’s mood enhancer, boosting your serotonin levels and battling the blues. So, if you’re feeling down, step outside and let the sun’s rays lift your spirits. Even a brief lunch break under the sky can make a difference.

Muscles screaming after a workout? Prioritize recovery.

If physical stress has left your muscles shouting objections, it’s time to listen. Rest is not laziness; it’s an essential part of the recovery process. Combine it with strategies like a warm bath, sauna (if you can), gentle stretching, or massage, and you’re not just treating your body; you’re thanking it.

Overwhelmed by emotions? Write It down.

Sometimes, the act of transferring your thoughts from mind to paper can help untangle them. Journaling is a therapeutic way to face emotional stress head-on. It’s about giving your feelings a place to rest outside of your head.

Breathe through it: The power of mindful breathing.

Whether it’s emotional anxiety or the aftermath of a physical strain, mindful breathing can be a bridge to calm. Deep, deliberate breaths signal your body that it’s safe to relax, turning down the volume on stress.

Why it all matters

Understanding the nature of your stress is like having the right key for the lock. It empowers you to choose the most effective strategies for relief, ensuring that you’re not just throwing solutions at the problem and hoping something sticks. It’s about targeted, effective self-care that acknowledges the complexity of human experience—recognizing that we are both mind and body, intertwined.

Deciphering whether your stress is emotional or physical is more than a mental exercise; it’s a critical step toward holistic well-being. By tuning into the signals your body and mind are sending, you can tailor your self-care practices to meet your needs effectively. Whether it’s through movement, mindfulness, or simply soaking up some sun, the path to managing stress starts with understanding its roots. Remember, in the journey toward wellness, every step, every breath, and every moment of mindfulness counts.

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Academy > article > Human Performance

Why You Should Be Curious and Not Anxious When Tracking Your Sleep

Reading time: 2 min

Sleep tracking has become an increasingly popular tool in our quest for better rest, recovery, and overall well-being. However, as beneficial as it can be, it also presents a double-edged sword. It’s easy to fall into the trap of chasing a “perfect” score, leading to unnecessary stress and anxiety. But there’s a way to find the golden path – shift your focus to a different approach: be curious.

Instead of striving for perfect sleep scores, adopt a curious mindset to explore and understand your long-term sleep patterns through tracking, enabling you to make informed adjustments for better rest and overall well-being. This approach helps prevent orthosomnia, an unhealthy obsession with achieving perfect sleep, that can increase stress and undermine sleep quality. When you see that your Biostrap Sleep Scores dip, instead of feeling disheartened, ask yourself the questions: “What did I do that may have caused this?” and “What can I do to bounce back?”

Moreover, challenge yourself with wonderment. What if I tried different strategies or routines? What if I experimented with new relaxation techniques or sleep interventions? Embracing curiosity allows you to approach sleep tracking as a journey of discovery, rather than a push for perfection.

Untangle complexity

The key lies in embracing the process of untangling the complexity of your sleep patterns and biometric changes over the long run. By analyzing long-term trends, you’ll unlock invaluable insights into your nervous system resilience and overall well-being. You’ll begin to understand how your body responds to different stressors, lifestyle factors, bedtime routines, and sleep interventions.

This deeper understanding may empower you to make informed adjustments that support better sleep, recovery, and performance. Whether it’s tweaking your bedtime routine, optimizing your sleep environment, or exploring new relaxation techniques, curiosity may fuel your journey toward holistic well-being.

Progress over perfection

It’s essential to remember that the goal isn’t achieving perfection—it’s about progress and resilience. By leading with a curious mindset, you’ll embrace the inherent fluctuations of your sleep patterns and recognize them as opportunities for growth.

A night of a low Sleep Score or a drop in your heart rate variability (HRV) will inevitable happen – it’s just part of life. However, think of them as moments for reflection. On the other hand, long-term trends paint a better picture of your overall health. So, take a step back, look at the bigger picture, and pay closer attention to how your data may deviate from your personal baseline. Then use those insights to pinpoint potential negative or positive adaptations that may call for a change in your habits.

In the end, it’s curiosity that propels us forward and helps us embrace self-discovery and transformation. Data from your Biostrap Kairos will help add some objective insights into your lifestyle choices and help you make measurable changes that you can track. Be it resting heart rate, heart rate variability, deep sleep or nocturnal movement, sleep tracking may give you the clues you need to make informed decisions over shooting darts in the dark.

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Academy > article > Human Performance

Six Reasons Why You Should Use HSA/FSA Funds via Truemed To Buy Kairos

Reading time: 3 min

At Biostrap, we’re thrilled to announce that our cutting-edge wearable technology, Kairos, is now eligible for purchase using Health Savings Account (HSA) or Flexible Spending Account (FSA). Our partnership with Truemed makes it possible for you to enjoy significant tax advantages.

Whether you want to access high-fidelity PPG data to track sleep, biometrics, and nervous system state, or interested in superior data to help build AI-powered predictive health models for physical and mental health monitoring, it’s just become a lot more affordable. Grab the 3- or 5-Pack Biostrap Kairos Evaluation Kit using pre-tax dollars.

What does it mean?

When a wearable technology device like Kairos is “covered by HSA/FSA funds,” it means that you can use the funds from your HSA or FSA to purchase the device. Both HSAs and FSAs are tax-advantaged accounts that you can contribute to and use to pay for qualified medical expenses. Here’s a brief explanation of each:

Health Savings Account (HSA):

An HSA is a tax-advantaged savings account available for individuals with high-deductible health plans.
Contributions to an HSA are tax-deductible, and the funds can be withdrawn tax-free if used for qualified medical expenses.
HSA funds can be used for a wide range of medical expenses, including prescription medications, doctor visits, certain medical devices, and now the Biostrap Kairos.

Flexible Spending Account (FSA):

An FSA is another tax-advantaged account that allows employees to set aside a portion of their pre-tax earnings for qualified medical expenses.
FSA funds must be used within the plan year or a grace period, and they can cover eligible medical expenses such as co-pays, deductibles, certain medical products, and now the Biostrap Kairos.

Using HSA/FSA funds provides a financial benefit as contributions to these accounts are made with pre-tax dollars, effectively reducing the overall cost of the device.

Here are six reasons to use your FSA/HSA dollars for Kairos

Tax savings

When it comes to your health, every investment matters. By using pre-tax dollars, you not only maximize your tax savings but also make a smart and affordable investment toward your health monitoring efforts.

Affordable access to advanced health technology

Kairos isn’t just a sleep tracker; it’s a comprehensive health companion that helps you better understand your autonomic nervous system. With FSA/HSA coverage, you can now grab the 3- or 5-Pack Biostrap Kairos Evaluation Kit without breaking the bank. Experience the power of physiological biometrics, sleep analysis, and the innovative Spot Check feature that provides real-time insights into your autonomic nervous system balance – effectively a window into optimizing your mental health resilience.

Superior data quality for remote patient monitoring

For healthcare professionals, Kairos offers an unparalleled tool for remote patient monitoring. Keep track of patients’ biometrics, sleep patterns, autonomic nervous system state, and overall health with advanced remote monitoring. This not only helps to improve patient outcomes but also allows for early intervention and personalized care.

Optimizing training for peak performance

Unlock the full potential of your team’s training programs with Kairos. Track individual and team progress, identify areas for improvement, and tailor training regimens based on personalized data. The advanced analytics provided by Kairos empower coaches to optimize training strategies for increased performance.

AI-driven insights for unprecedented precision

Kairos and the accompanying Vital Science app are built to be a platform for innovation. With Kairos’ capability to gather extensive high-fidelity PPG data, it serves as a valuable tool for developing new AI-driven algorithms. Contribute to the future of health technology by using Kairos and our Waveshape feature to refine and develop algorithms that can provide unprecedented insights into personalized medicine, diagnostics and health monitoring.

Proactive health management made easy

Stay ahead of potential health issues with Kairos. Its high-fidelity data capture and personalized insights empower you to be proactive in managing your health or the health of those you choose to monitor remotely. By using your HSA or FSA funds, you make a smart investment in a device that goes beyond traditional health tracking, offering a holistic approach to well-being.

Now is the time to make the smart choice for your health. Use your HSA or FSA funds to invest in Kairos and experience the future of personalized health technology. Maximize your tax savings, embrace proactive health management, and join a community that prioritizes collective well-being.

To purchase using your FSA/HSA funds, select the 3- or 5-Pack Kairos Evaluation Kit, go to checkout, scroll down to “Payment”, past “Delivery” and “Shipping method”, and check ”TrueMed – Pay with HSA/FSA”. After clicking “Pay now”, you will be redirected to TrueMed – Pay with HSA/FSA to complete your purchase securely.

Academy > article > hot trending > Human Performance

Waveshape: Developing Predictive AI-Powered Health Models With Validated PPG Features

Reading time: 2 min

Did you know that using advanced features extracted from PPG has been instrumental for our partners? It allowed them to achieve life-changing discoveries from predicting Inflammatory Bowel Disease flare-ups and Sickle cell anemic vaso-occlusive crises to monitoring emotional/mental health issues, hypercapnia, and beyond.

What were they using? Biostrap Waveshape! It offers a revolutionary approach to harnessing Photoplethysmography (PPG) features for deep learning and AI-driven predictions in healthcare. While heart rate and heart rate variability are essential metrics, Waveshape takes it a step further, providing tools to discover new AI-powered biometrics that can monitor both physiological and psychological health conditions.

Understanding PPG features

PPG involves shining an LED through the skin to measure light absorption changes with each heartbeat. This variation helps calculate heart rate and other cardiovascular metrics. The PPG waveform visually represents this data, and within it lie specific markers called PPG features or fiducial points. These markers, such as amplitude or the location of the dicrotic notch, determine the PPG’s shape, enabling the computation of various health biomarkers.

What are fiducial points?

Fiducial points in the context of PPG are specific markers or distinctive features within the PPG waveform. These points play a crucial role in pinpointing events or characteristics in the waveform, such as the peak of a heartbeat or the location of the dicrotic notch.

Extracting fiducial points is essential for accurate analysis of physiological signals, enabling the computation of various health biomarkers like heart rate variability, blood oxygen levels, and more complex metrics. These reference markers serve as anchors for interpreting the intricate data collected through PPG, contributing to the development of precise and insightful health predictions.

Overcoming challenges

Extracting fiducial points from PPG, however, is a complex process that demands expert-level skills. Our experience, spanning over six years, has been pivotal in overcoming the challenges associated with this intricate process. Hence, we ensure accuracy, reducing the margin for errors in the extraction process.

Addressing commercial wearable shortcomings

Waveshape stands out against commercial wearables’ limitations. Subpar signal quality and data processing, restricted metrics, and lack of customization are common issues. Waveshape, however, offers superior high-fidelity PPG signals, direct access to validated PPG features and fiducial points, a fully customizable experience, and seamless integration for efficient data extraction.

Building AI-powered predictive health models

Waveshape empowers users with superior data and expert-level feature extraction from PPG, enhancing the accuracy and insightfulness of predictive health models. These advanced PPG features open doors to a wealth of nuanced information embedded within the waveform. Such fiducial points may be systematically utilized to create a comprehensive understanding of cardiovascular dynamics.

Thus, with high-quality and transparent data, the transition from reactive to proactive healthcare may become possible, preventing health exacerbations and managing emotional and mental health through innovative biometrics.

Precision medicine elevated

In the quest for precision medicine, Waveshape sets a new standard. Its superior data measurement and cutting-edge PPG features enable healthcare professionals to deliver personalized care that maximizes patient outcomes. This transition from one-size-fits-all solutions to tailored treatments represents a significant leap in healthcare.

Are you intrigued by the possibilities of Waveshape?

Explore how you can join our visionary partners in revolutionizing remote health monitoring and precision medicine. Click on the “Partner with us button” on our main page, fill out the form, and a member of our team will reach out to you.

Tags biostrap, data, fiducial points, heart rate, heart rate variability, hrv, ppg, trending, waveshape

Academy > article > Human Performance

The Importance of Data Transparency For Research & Why Many Wearables Fall Short

Reading time: 3 min

The advent of digital health and research has has opened up new frontiers in healthcare delivery, diagnosis, treatment, and disease prevention. One central element that fuels this digital revolution is data. Data has become the lifeblood of digital health and research, driving insights, innovation, and improved patient outcomes. However, the potential of data can only be fully realized when there is transparency.

What is data transparency

Data transparency refers to the ability of all stakeholders to have access to and understand the data that is being used. It is about making the data freely available and clear for everyone to see, without hidden agendas or misuse. This transparency is critical to foster trust, enable collaboration, and ensure accountability in the digital health landscape.

They can see where the data comes from, how it is processed, and how it is used. This transparency empowers everyone to make informed decisions, enhances collaboration, and fosters trust.

The importance of data transparency

The value of data transparency in digital health and research cannot be overstated. It forms the foundation of trust between patients, healthcare providers, and researchers. When there is transparency, patients are more likely to share their data, knowing that it will be used responsibly and for their benefit. This trust is crucial for the success of digital health initiatives.

Data transparency also leads to better research outcomes. When researchers have access to transparent data, they can conduct more robust analyses, develop novel algorithms, make accurate predictions, and develop innovative solutions and even discover new biomarkers.

That’s why transparency is one of the core values of Biostrap in how it provides access to data that’s captured by its wearable, Kairos. This transparency enables collaboration, as researchers can share their data and findings, leading to greater scientific progress.

Moreover, data transparency can help to ensure accountability in the digital health space. It allows for the tracking and auditing of data, ensuring that it is used responsibly and ethically.

This accountability can help to prevent data breaches and misuse, protecting the privacy and rights of patients.

The missing link: data transparency in wearables

Wearables, including fitness trackers, smartwatches, and health monitors, collect a wealth of data about our bodies and lifestyles. This data can provide valuable insights into our health and well-being, enabling personalized healthcare and proactive disease prevention.

However, there is a missing link that threatens to undermine their value: data transparency. Many wearable companies operate in a black box, with little transparency about how they collect, process, and use the data.

This lack of transparency raises concerns about the privacy, security, and ethical use of the data.

That’s where Biostrap’s team wanted to bridge the gap and be a fully transparent digital health solution. At Biostrap, we believe that transparency is key to building trust and fostering collaboration in the digital health space.

Hence, we are committed to providing our enterprise clients with clear, understandable information about how the data is collected, processed, and used. It also gives them control over the data, allowing them to decide who can access it and for what purpose.

It can also enable collaboration among researchers, leading to better research outcomes. Especially so because Biostrap also collaborates with researchers, sharing anonymized data to support health research.

Challenges to data transparency in digital health and research

While the benefits of data transparency are clear, there are several challenges to achieving it in digital health and research. These challenges include privacy concerns, data security risks, and the complexity of health data.

Privacy is a major concern in the digital health space. Many individuals are wary of sharing their health data, fearing that it could be misused or fall into the wrong hands. To address this concern, there is a need for strong privacy protections and clear communication about how the data will be used.

Data security is another significant challenge. With the increasing volume of health data being collected, the risk of data breaches and cyberattacks is high. This risk can be mitigated through robust data security measures and regular audits.

To address these challenges, Biostrap has implemented high-quality data protection measures, built a secure ecosystem that’s fully HIPAA-compliant, and ensures that user and patient data is safe and can never be accessed by a third party.

Reach out to our team to discuss how Biostrap can help get your research project off the ground, or how we can help best implement a successful remote health monitoring program in your practice.

Click on the “Partner with us” button at the top of THIS page to book a meeting with a team member.

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The Well-being of Veterans: The Significance of Biometric Monitoring and Organizational Involvement

Reading time: 3 min

Veterans’ lives manifest an intricate interplay of emotional and physical health due to the unique nature of their service experiences. Emotional well-being, informed by the psychological toll of deployments and combat scenarios, is a vital facet of veterans’ health. Physical health, encompassing issues stemming from combat injuries, post-service fitness, and overall vitality, is equally indispensable.

The synergy between these aspects is unmistakable. Their emotional and physical health require dedicated attention, and therein lies the pivotal role of Veteran’s Affairs organizations and institutions committed to fostering the well-being of those who have served our nation.

Health monitoring on an individual basis is becoming more popular; however, such organization play a key role in adequate interpretation of that data. Here’s how biometric monitoring with Biostrap can complement the work of organizations dedicated to veterans’ health and well-being.

Biometric monitoring of veterans

Biometric monitoring emerges as a game-changing tool for veterans striving to enhance their well-being. The Biostrap Kairos and Vital Science app offer a sophisticated platform for the continuous tracking of vital parameters, including heart rate, heart rate variability (HRV), respiratory rate and sleep parameters. This technology arms veterans with comprehensive insights into their health, facilitating an informed approach to addressing both physical and emotional concerns.

Heart rate

often reflective of stress levels and cardiovascular health, serves as a fundamental indicator for veterans to manage their well-being. Monitoring heart rate empowers veterans to discern the implications of stress and anxiety, enabling timely interventions such as relaxation techniques or physical activities to mitigate stress.

Heart rate variability

A measure of autonomic nervous system function, emerges as a potent tool to gauge resilience. Higher HRV is indicative of better health and adaptability, while diminished HRV may signal stress and reduced resilience. For veterans, HRV tracking illuminates their physiological response to stressors, allowing for proactive adjustments to enhance resilience.

Sleep parameters

Vital for physical and emotional recovery, sleep quality can now become tangible through Biostrap. Many veterans encounter sleep disturbances post-service, and the ability to monitor sleep patterns, disturbances, and overall sleep quality is a critical component in maintaining optimal mental health and cognitive functioning.

Nervous system balance

Imagine being able to visualize to what extent a veteran’s nervous system is in parasympathetic or sympathetic mode and what their stress levels are at any given point in time. In addition to that you can grasp how these parameters shift in response to certain interventions or events. This is where the Biostrap Spot Check feature comes into play, offering a unique and invaluable perspective on the state of the veteran’s nervous system.

The Biostrap Spot Check goes beyond conventional biometric monitoring. It provides real-time insights into the balance of an individual’s autonomic nervous system, stress index, HRV, and heart rate. All that through a simple three-minute scan using the Kairos wrist-worn device. With this feature, veterans and their healthcare providers can gain an unprecedented understanding of their physiological response to stressors and relaxation techniques.

Organizational involvement

The importance of Veteran’s Affairs organizations and institutions committed to veterans’ health and well-being cannot be overstated. These entities serve as the custodians of veterans’ welfare, guiding them toward a healthier, more fulfilling post-service life. There are several compelling reasons why organizational participation is indispensable:

Early intervention

Organizations are uniquely positioned to detect subtle biometric trends in veterans that may herald impending health issues. Regular health check-ins create opportunities for organizations to provide timely support, averting the progression of health concerns into more severe problems.

Holistic care

The spectrum of challenges faced by veterans extends from physical injuries to intricate mental health issues. Through the comprehensive monitoring of biometrics, organizations can adopt a more holistic approach to addressing veterans’ well-being, concurrently addressing both their physical and emotional health.

Accountability and support

Organizational engagement instills a sense of accountability in veterans. It conveys an unwavering commitment to their well-being and fosters an environment where veterans are motivated to take agency of their health, buoyed by the support of institutions dedicated to their welfare.

The Biostrap solution: innovative, scalable, convenient

Biostrap offers an innovative, convenient, and scalable ecosystem for the active involvement of Veteran’s Affairs organizations and institutions committed to veterans’ health and well-being. In this intricate landscape of veterans’ health, both emotional and physical well-being are inextricably linked, and the role of organizations in monitoring biometrics serves as a beacon of support and early intervention.

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Academy > article > Human Performance

The Modern Concierge Medicine: Why Your Organization Should Choose Biostrap For Remote Health Monitoring

Reading time: 3 min

In an age where wearable technology has become an integral part of our daily lives, wearables have emerged as powerful tools for remote health monitoring. These devices, equipped with an array of sensors, can generate a staggering amount of data points, offering valuable insights into our well-being. However, for individuals, interpreting this wealth of data and making informed decisions can be a daunting task. This is where having their data monitored by an organization, led by healthcare professionals, can make all the difference in how individuals incorporate that data into their daily decision-making.

Additionally, these tools are increasingly becoming essential for organizations looking to monitor the well-being of their groups. Whether it’s a police department, first responders, a specific patient group, or an olympic team.

Advanced remote health monitoring

The beauty of modern wrist-worn wearables, such as the Biostrap Kairos, lies in their ability to gather an extensive range of health metrics. From heart rate and heart rate variability, to sleep patterns and activity levels, these devices provide an all-encompassing snapshot of one’s health. Yet, the sheer volume of data can be overwhelming for individuals attempting to navigate the intricacies of their well-being. This complexity often results in underutilized data and missed opportunities for improved health.

For individuals, the challenge is clear: how can they effectively utilize the multifaceted data generated by their wearables to make meaningful lifestyle choices? This is precisely where the idea of having their data monitored by an organization, with professionals who can interpret and guide them, becomes profoundly meaningful.

Precision in data interpretation

One of the primary advantages of using a Biostrap’s remote health monitoring solution is the precision in data interpretation. The Biostrap Kairos is equipped with cutting-edge sensors and technology that provide highly accurate health metrics, such as heart rate, HRV, sleep parameters, nervous system balance analysis, activity levels, and more. When organizations use Kairos, they can trust the data they receive, making it easier to make informed decisions.

Biostrap health monitoring platform offers real-time data analytics, enabling healthcare professionals to track trends, spot anomalies, and identify potential health concerns. This accuracy and immediacy in data interpretation can lead to early intervention, preventing health issues from worsening, and ultimately saving lives.

Personalized health recommendations

The modern concierge of remote health monitoring goes beyond just collecting data; it’s about transforming that data into actionable insights. Biostrap’s health monitoring platform uses advanced algorithms and artificial intelligence to generate personalized health recommendations for individuals, including optimal bed time and wake up time for best recovery.

By monitoring a person’s unique health data, the lead of the organization or healthcare professional can provide tailored guidance, including exercise routines, dietary suggestions, stress management techniques, and more. These recommendations are based on the individual’s specific health goals and existing health conditions, making them much more effective in promoting a healthier lifestyle.

Comprehensive health and wellness ecosystem

Biostrap’s remote health monitoring solution is not limited to basic health tracking. Biostrap’s team offers a comprehensive approach to ensure that the organization and its group members receive superb care and support, fostering a sense of well-being.

White-glove experience for organizations

Biostrap’s remote health monitoring solution aims to provide a white-glove experience for organizations. This means that Biostrap offers tailored support and services to ensure the organization’s needs are met.

Organizations will have access to dedicated account managers who will guide them through the setup and usage of the health monitoring platform. These professionals are there to answer questions, resolve issues, and ensure a smooth experience. Furthermore, Biostrap provides on-demand training for the organization’s staff, ensuring they can effectively use the platform and make the most of its features.

Biostrap’s wrist-worn wearable Kairos and health monitoring platform is the modern concierge of remote health monitoring. By choosing this solution, organizations and their group members can benefit from more accurate data interpretation, personalized health recommendations, and a white-glove experience that caters to their unique needs.

It not only enhances the well-being of the group members but also contributes to a culture of health and wellness within the organization.

Tags average hrv, average hrv by age, average sleeping hrv by age, biostrap, data, first responders, good heart rate variability, healthy heart rate variability, healthy hrv range, heart rate, heart rate variability, heart rate variability 15ms, heart rate variability 25ms, heart rate variability 30ms, heart rate variability by age, heart rate variability normal range, heart rate variability range, hrv and sleep, hrv breathing, hrv heart, hrv heart rate, hrv heart rate variability, hrv normal range, hrv over 100, hrv range, hrv stress, hrv test, hrv whoop, kairos, low heart rate variability, low hrv, normal heart rate variability, normal hrv, normal range for heart rate, normal rr interval, police, rmssd, rr heart rate, rr interval ecg, rr intervals, sleep, sleep and hrv, sleep deprivation, sleeping hrv, trending, variability during sleep, whoop hrv

Academy > article > hot trending > Human Performance

From Mental Health To Mental Fitness with AI and Wearable Data: Your Path to Resilience

Reading time: 2 min

In the pursuit of a happier, healthier life, the journey from mental health to mental fitness is a transformational shift. Mental health is about managing and addressing issues, while mental fitness represents a proactive approach to building resilience, emotional strength, and overall well-being. It’s a path that passes through self-awareness, empowerment, and personalized strategies, and it can be greatly aided by the integration of AI and wearable data.

Understanding the journey

The journey from mental health to mental fitness begins with understanding the fundamental difference between the two. Mental health often focuses on addressing challenges such as stress, anxiety, or depression when they arise. While this is essential and valuable, mental fitness takes a broader approach. It involves actively cultivating a mindset and lifestyle that promote emotional and psychological well-being, making it easier to navigate life’s challenges.

How AI and wearable data play a proactive role in mental fitness

The role of AI fueled by biometric analysis can act as a guide, helping individuals recognize their mental health challenges and encouraging self-awareness. AI can analyze vast amounts of health data collected from wearable devices, such as the Biostrap Kairos, providing insights into emotional triggers and patterns of distress. Armed with this knowledge, individuals can develop a deeper understanding of themselves and their mental well-being.

Building Self-Awareness

Self-awareness is the cornerstone of mental fitness. It’s the ability to recognize one’s emotions, thoughts, and behavioral patterns. AI-powered wearable technology can assist in building self-awareness by continuously monitoring physiological responses to emotional fluctuations. Over time, users gain a clearer picture of their triggers and reactions, empowering them to make more informed decisions.

Tracking Progress

As individuals embark on their journey toward mental fitness, it’s crucial to track progress. Wearable technology plays an important role here, offering real-time data on various aspects of well-being. The Biostrap Kairos device and the Vital Science app for example, offers a Spot Check feature that provides insight into a user’s autonomic nervous system balance. This data allows users to understand to what extent their body is in the mode of parasympathetic (rest-and-digest) or sympathetic (fight-or-flight).

Additionally, monitoring biometrics such as heart rate, sleep patterns, and activity levels, users can visualize their improvements, set achievable goals, and celebrate milestones along the way.

Cultivating mindfulness

The Vital Science app offers guided mindfulness practices as part of the Meditation Plus feature. It doesn’t only helps users incorporate a mindfulness into their lifestyle routine, but each mindfulness session can be tracked using the Biostrap Kairos.

With that, users can gain insights into how their heart rate, heart rate variability, and respiratory rate shift during meditation. These practices teach individuals to stay present, manage stress, and respond to triggers with composure. Mindfulness is a cornerstone of mental fitness.

How Biostrap can help

At Biostrap, we are committed to empowering individuals on their journey from mental health to mental fitness. Our cutting-edge digital health technology combines the precision of AI with the convenience of a wearable to provide you with the tools and insights you need to build resilience, foster emotional strength, and proactively manage your mental well-being.

Our technology continuously monitors your physiological data and offers real-time feedback. It helps you understand your triggers, manage stress, optimize your sleep, and build mindfulness practices into your daily life.

Your well-being matters, and we are here to empower you every step of the way. Start your journey today, and let’s build mental fitness together.

Tags ai, anxiety, artificial infelligence, better mental health, fitness, hear rate, heart rate variability, hrv, mental fitness, mental health, nervous system, overcoming anxiety, stress management, stress relief, trending, well-being

Academy > article > Human Performance

Understanding Sympathetic and Parasympathetic Nervous System As A Dynamic Dial, Not An On-Off Switch

Reading time: 4 min

In the quest for better health and well-being, there has been a growing focus on tapping into the parasympathetic nervous system. This emphasis on relaxation, mindfulness, and stress reduction is undoubtedly valuable, but it’s crucial to recognize a fundamental truth: the autonomic nervous system (ANS) is never just in one mode. It’s in a perpetual state of flux, maintaining a continuous tug-of-war between its two branches: the sympathetic nervous system (SNS) and the parasympathetic nervous system (PNS).

The misconception of pure parasympathetic dominance

In the pursuit of relaxation and stress reduction, there’s a common misconception that achieving a state of pure PNS dominance is the ultimate goal. While the PNS is indeed responsible for “rest and digest” activities, it’s essential to remember that the ANS is not an on-off switch, but rather a dial — a dynamic system that adjusts to your body’s needs in real-time.

Often referred to as the body’s autopilot, the ANS regulates countless bodily functions without us even realizing it, from heart rate and digestion to respiratory rate and pupil dilation. While it might be tempting to think of the ANS as a binary switch, with one side turning off as the other activates, the reality is far more nuanced.

Our bodies are engaged in a constant tug of war, with the SNS and PNS in a dynamic manner, adjusting their influence according to our physiological and psychological needs. In certain situations, being more dominant in one mode is more beneficial, but remember, pure dominance in either is rare. This continuous interplay between the sympathetic and parasympathetic branches is essential for our overall health and well-being.

The art of balance: when dominance matters

Imagine a lion chasing you through the savannah; your body’s SNS kicks into high gear. Your heart rate soars, your muscles tense, and your senses become razor-sharp – all to help you escape danger and survive. This is a classic example of the SNS taking charge when needed, ensuring your survival in critical moments.

Conversely, during moments of calm and relaxation, the PNS steps in. It slows your heart rate, aids in digestion, and promotes healing and regeneration. When you’re enjoying a peaceful night’s sleep, engaging in mindful meditation, or simply lounging on the couch, the PNS is the star player, ensuring your body rests, recharges, and recovers.

The modern SNS dominance epidemic

The sympathetic nervous system is designed to respond to immediate threats and challenges. However, the relentless demands of the modern world have led many individuals to remain stuck in this heightened state of arousal, even when no immediate danger is present. The result? An imbalance in the autonomic nervous system that can have profound consequences on physical and mental health.

Here’s how SNS dominance affects us:

Chronic stress

Modern life is rife with stressors, from work pressures to financial concerns and constant connectivity through technology. This chronic stress keeps the SNS in overdrive, leading to increased heart rate, shallow breathing, and elevated cortisol levels – all of which can have detrimental effects on health.

Sleep disturbances

SNS dominance often spills into nighttime hours, making it difficult to unwind and achieve restorative sleep. Sleep quality suffers as a result, leaving individuals feeling fatigued and irritable.

Digestive issues

The SNS is not conducive to proper digestion, leading to problems like indigestion, irritable bowel syndrome (IBS), and other gastrointestinal discomforts.

Mental health impact

Persistent SNS activation can contribute to anxiety disorders, depression, and an overall sense of unease.

Reduced immunity

Over time, a continually dominant SNS can weaken the immune system, making individuals more susceptible to illnesses and infections.

Quantifying the autonomic nervous system balance with Biostrap

Understanding this delicate balance within the ANS can seem complex, but wearable technology like the Biostrap Kairos makes it accessible and actionable. Biostrap provides a comprehensive view of your ANS activity, allowing you to fine-tune your lifestyle choices for better health and well-being.

Biostrap’s newest device, Kairos, matched with the Vital Science app, empowers users with real-time insight into how much that ANS dial is turned toward PNS or SNS in at any given time of the day.

Kairos provides:

Real-time spot check: Kairos offers an assessment of your ANS balance, giving you a dynamic view of your body’s state at any point during the day.

Lifestyle insights: Kairos can reveal how certain lifestyle interventions, such as exercise, meditation, or dietary choices, impact your ANS balance.

Actionable guidance: With this data-driven insight, you can make informed decisions about your daily routines, optimizing your activities to achieve better ANS balance.

In a world where the focus on relaxation and parasympathetic nervous system activation is growing, Biostrap provides the tools to help you navigate the delicate balance of your autonomic nervous system. It empowers you to recognize and respond to your body’s needs, whether it’s a burst of energy for a challenging task or a deep sense of relaxation for restorative sleep. Remember, it’s not about switching a switch on and off, it’s about learning to toggle the dial back and forth of your ANS for a healthier, more optimal, and more balanced life.

Academy > article > Human Performance

Navigating Stress in the Modern Age: A Paradigm Shift with Wearables

Reading time: 3 min

In today’s fast-paced world, stress has become a pervasive problem that affects our physical and mental well-being. Chronic stress can have detrimental effects on our health, leading to various disorders and increasing the risk of cardiovascular problems and mental health issues. For effective stress monitoring and management, it is crucial to accurately measure its impact on our bodies.

Traditional methods of stress assessment, such as physical tests and questionnaires, have limitations in terms of subjectivity and accuracy.

However, advancements in wearable biosensors have paved the way for real-time, continuous monitoring of stress biomarkers, providing valuable insights for clinical diagnoses and personal stress management.

Unraveling the complexities of stress: a holistic approach

Stress, as an intricate and multifaceted physiological response to external demands, triggers the orchestrated release of cortisol, adrenaline, and noradrenaline – molecular protagonists underpinning the “fight-or-flight” reaction.

However, prolonged exposure to stress ushers in a cascade of physiological changes, resulting in disruptions to the harmonious equilibrium orchestrated by the hypothalamic-pituitary-adrenal (HPA) axis and the sympathetic adrenal medullary (SAM) axis. These disruptions contribute substantively to the pathogenesis of anxiety, depression, and cardiovascular morbidity.

Beyond traditional metrics: the futility of conventional stress assessment

Traditionally, stress has been measured through physical tests and questionnaires. The Trier Social Stress Test (TSST) is a commonly used test that assesses acute stress levels by subjecting individuals to public speaking and arithmetic tasks. Saliva, blood, psychophysiological, and cognitive measures are then analyzed to evaluate stress levels.

While these tests provide valuable information, they are not without limitations. Variability in test conditions and the subjective nature of self-reporting can impact the reliability and reproducibility of results.

Another widely used method is the Perceived Stress Scale (PSS), a survey that assesses an individual’s overall stress levels based on their perceived life experiences. Similarly, the Kessler Psychological Distress Scale (K10) measures mental distress levels. These tools provide insights into an individual’s subjective experience of stress but do not offer objective measures of physiological responses.

Wearable biosensors: a panacea for stress monitoring

Recent advancements in stress monitoring focus on the quantification of stress biomarkers, which are molecules or biometrics, or physiological indicators, that provide insight into an individual’s nervous system state. Biomarkers can be detected in various bodily fluids, such as blood, saliva, urine, and sweat. Sweat biomarkers, in particular, have gained attention due to the non-invasiveness and ease of collection.

Sweat contains a wide range of metabolites, electrolytes, and minerals that can serve as indicators of stress levels. Cortisol, a glucocorticoid hormone, is considered the gold standard for evaluating the activity of the HPA axis. Other stress biomarkers include epinephrine, norepinephrine, alpha-amylase, and interleukin-6. Electrochemical and colorimetric transduction methods have been developed to detect and quantify these biomarkers in sweat.

Additionally, the Biostrap Kairos, introduces a novel way to assessing autonomic nervous system balance including sympathetic and parasympathetic branch quantifications. Utilizing raw PPG, Kairos captures relevant biometrics including beat-to-beat heart rate data, heart rate variability (HRV) and respiratory rate to allow for in-depth objective data analysis.

Such real-time, seamless, and unobtrusive collection of stress data is highly valuable for simultaneously prioritizing user comfort and feasibility during diverse physiological parameters.

Challenges of sweat measurements

While sweat analysis have shown great potential in stress monitoring, there are still challenges to overcome. The correlation between sweat analyte (or chemical undergoing analysis) concentrations and blood concentrations is complex, and factors such as sweat rate and analyte distribution can affect the accuracy of measurements. Extracting interstitial fluid (ISF) analytes in a non-invasive manner also presents challenges, as extraction efficiency and skin surface contamination can impact accuracy.

Further research is needed to validate the clinical utility of sweat as a diagnostic biofluid for stress monitoring. Improvements in sampling methods and analyte monitoring techniques are necessary to enhance the reliability and accuracy of wearable stress sensors. Integration of multiple sensing arrays and the development of multiplexed wearable sensing platforms hold promise for comprehensive stress assessment.

Innovations toward a new trajectory

Advancements in wearable biosensors have revolutionized the field of stress monitoring. These devices provide real-time, continuous data on stress biomarkers, allowing for personalized stress management and clinical diagnoses. While sweat sensors offer a non-invasive and convenient method for stress assessment, there are challenges that are yet to be overcome.

By harnessing the power of wearable biosensors, like Biostrap Kairos, we can gain valuable insights into our stress levels in real time and any given time of the day and take proactive steps to improve the state of our nervous system.

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Academy > article > hot trending > Human Performance

Digital Biomarkers: Advancing Modern Medicine Through Personalization

Reading time: 3 min

Modern healthcare is seeing a transformative shift toward personalized medicine. This innovative approach aims to tailor interventions to suit the distinct genetic, lifestyle, and health parameters of individuals. At the forefront of this revolution are digital biomarkers, discernible indicators of biological processes, and wearable devices, like the Biostrap Kairos, that collect and analyze real-time health data. By harnessing the power of digital biomarkers, healthcare providers can gain valuable insights into patients’ conditions, enabling personalized treatment plans and improving overall patient outcomes.

What are Biomarkers and How are They Used Today?

Biomarkers, in the context of healthcare, refer to measurable biological indicators that can provide information about an individual’s health or disease status. Traditionally, biomarkers have been used for diagnostic purposes, helping clinicians identify the presence or absence of a particular condition. However, with advancements in technology and our understanding of human biology, biomarkers are now being utilized in a more nuanced and comprehensive manner.

In addition to their diagnostic utility, biomarkers are increasingly being employed to inform treatment decisions and monitor the effectiveness of interventions. One exciting development in this field is the use of digital biomarkers, which are captured through wearable devices or smartphones. These digital biomarkers include visual and auditory data, or physiological data, which can be analyzed to identify trends and subtle shifts in a patient’s health and response to therapy.

Personalizing treatment through digital biomarkers

One of the key advantages of digital biomarkers is their ability to match the right patients with the right treatments. By capturing health data trends over time, digital biomarkers can help determine if a treatment or intervention is suitable for a patient. This personalized approach to treatment has the potential to improve patient outcomes and reduce the burden of trial and error in finding the most effective interventions.

Patients with immunological disorders provide an excellent example of how digital biomarkers can enhance personalized care. Symptoms such as fatigue, pain, and depression associated with these conditions can significantly impact quality of life and vary over time.

By continuously monitoring a patient’s day-to-day experience through digital biomarkers, healthcare providers can identify responders and non-responders to treatment earlier, allowing for timely adjustments to care plans. This information enables healthcare providers to make more informed decisions about treatment, ensuring patients receive the most suitable interventions.

Predicting risk and improving quality of life

As digital biomarkers continue to evolve and gather more high-quality data, they have the potential to revolutionize patient care. While they currently serve as valuable monitoring tools, providing insights into general health and treatment response, their future applications are even more exciting.

AI-powered digital biomarkers could pave the way for risk assessments that predict future health events and enable proactive interventions.

For instance, Biostrap Kairos’ new nervous system analysis feature will be key to quantifying how much stress an individual is under at in real time. This visualization could help predict breakthrough events and allow healthcare providers to take preventive measures before they occur.

Precision medicine: from research to standard-of-care

Digital biomarkers have made significant strides in the realm of clinical research, where they help define specific patient populations and evaluate the potential benefits of investigational therapies. By leveraging data from diverse sources, these biomarkers inform decision-making in clinical pathways and lay the groundwork for real-world applications of new medications.

That’s exactly how the Children’s Hospital of Los Angeles has leveraged Biostrap’s raw PPG data to develop a new physiological biomarker to detect sickle cell pain crisis with patients.

As conversations around personalized care progress, it is crucial to develop algorithms based on unbiased and diverse data sets. By doing so, AI-powered digital biomarkers can facilitate personalized treatments and interventions for all patients, ultimately paving the way for precision medicine to become the standard-of-care.

The integration of biomarkers and digital technology is propelling modern medicine toward a future of personalized care. Through the analysis of visual and auditory digital biomarkers, clinicians can gain valuable insights into patients’ conditions, facilitating tailored treatment plans and improving overall patient outcomes.

As technology continues to advance and our understanding of biomarkers deepens, the potential for predicting risks, improving quality of life, and ultimately achieving precision medicine as standard-of-care becomes increasingly within reach. By harnessing the power of biomarkers, we can unlock the full potential of personalized medicine, transforming the healthcare landscape for the better.

If you’re working on a research project or want to quantify the efficacy of a treatment with your patients, reach out to us and let us help you get the data you’ll need take the care you provide to the next level.

Tags average hrv, average hrv by age, average sleeping hrv by age, biomarker, digital biomarker, digital biomarkers, good heart rate variability, healthy heart rate variability, healthy hrv range, heart rate, heart rate variability, heart rate variability 15ms, heart rate variability 25ms, heart rate variability 30ms, heart rate variability by age, heart rate variability normal range, heart rate variability range, hrv and sleep, hrv breathing, hrv heart, hrv heart rate, hrv heart rate variability, hrv normal range, hrv over 100, hrv range, hrv stress, hrv test, hrv whoop, low heart rate variability, low hrv, normal heart rate variability, normal hrv, normal range for heart rate, normal rr interval, rmssd, rr heart rate, rr interval ecg, rr intervals, sleep, sleep and hrv, sleep deprivation, sleeping hrv, trending, variability during sleep, whoop hrv

Academy > article > Human Performance

The Role of HRV in Enhancing Police Officers’ Resilience Against PTSD

Reading time: 4 min

The duty of protecting and serving often comes with a heavy toll on the mental health of police officers. Often, this toll manifests in the form of Post-Traumatic Stress Disorder (PTSD).

Hence, stress resilience and performance optimization are critical in high-stress professions such as law enforcement. Amid various innovative training methods, monitoring heart rate variability (HRV) has emerged as a potent tool for managing stress and fostering tactical excellence. Let’s dive in the profound impact of monitoring the HRV of police officers, particularly in combating PTSD and fatigue.

Deciphering HRV and Its Role

HRV is a nuanced measure of the autonomic nervous system’s (ANS) adaptability. It signifies the time variation between successive heartbeats, portraying the delicate balance between the sympathetic (fight-or-flight) and parasympathetic (rest-and-digest) nervous system branches. A high HRV often signals a resilient ANS, whilst a low HRV can indicate heightened stress levels.

Incorporating HRV into training regimes can be instrumental in optimizing performance and recovery. By tracking HRV, police officers can gauge their training readiness, identify overtraining signs, and adjust their routines accordingly. Keeping an eye on HRV may aid in managing the stress response, thus promoting better recovery, mental clarity, and overall well-being.

Perks of HRV for Police Officers

Monitoring the HRV of police officers offers an array of benefits. For starters, it aids in effective stress management. Whether it’s meditation, biofeedback, or a wide range of health lifestyle choices, monitoring HRV may provide valuable insights in how well the ANS is able to adapt to stressors.

Additionally, practices that boost HRV, and thus overall health resilience, may help police officers sustain composure and enhance decision-making in high-pressure situations.

Moreover, HRV training lays emphasis on sleep quality and recovery monitoring, reducing burnout risk and boosting long-term performance.

Research suggests that high HRV links to improved cardiovascular health, enhanced immune function, and increased cognitive performance. Thus, it empowers police officers to make informed decisions for their physical and mental resilience, leading to better job satisfaction and quality of life.

Unraveling the science of HRV and its link to stress resilience

The science behind HRV lies in the intricate interaction between the ANS, heart function, and brain. It mirrors the dynamic balance between sympathetic and parasympathetic activities, influenced by factors like age, fitness level, stress levels, and individual environment.

Studies reveal that individuals with higher HRV exhibit superior stress resilience. They are better equipped to handle stressful situations and recover more efficiently afterwards. HRV training aims to enhance this resilience by teaching individuals to regulate their ANS using specific techniques and exercises, such as breath work or mindfulness practices.

Measuring and Decoding HRV

Measuring and understanding HRV provides critical insights into an individual’s stress resilience and recovery capacity. Several methods are available to measure HRV, ranging from simple smartphone apps to specialized wearable devices, like the Biostrap Kairos wrist-worn device.

Kairos captures beat-to-beat intervals and clinically reliable HRV data, providing an advanced analysis of one’s autonomic function.

The Biostrap Spot Check feature offers a real-time insight into one’s ANS balance via a three-minute recording at rest. As a result, police officers can grasp the extent to which they are in a state of stress (fight or flight) or rest (rest and digest).

Factors influencing HRV and ways to enhance it

HRV can be influenced by several factors, including age, fitness level, stress, environment, and sleep quality. Age generally leads to a decrease in HRV, while regular exercise and physical fitness can improve it. Chronic stress, however, research suggests can reduce HRV and hinder recovery.

To enhance HRV, police officers can adopt various strategies. Stress management techniques, including mindfulness meditation and deep breathing exercises, can also boost HRV. Prioritizing quality sleep and maintaining a healthy lifestyle with a balanced diet further contribute to optimal HRV levels.

HRV training techniques for police officers

HRV training techniques for police officers involve a combination of physical and mental exercises designed to enhance stress resilience and recovery. These techniques aim to improve the autonomic balance and teach individuals how to regulate their physiological responses.

Breathing exercises are a fundamental component of improving HRV. Techniques such as coherent breathing, or box breath, where individuals breathe in and out for equal counts, promote parasympathetic activation and enhance HRV.

Progressive muscle relaxation and guided imagery exercises can also help police officers achieve a state of deep relaxation and bring HRV back and even beyond their baseline.

In addition to these techniques, biofeedback training can be a valuable tool. Biostrap Kairos, for example, offers a clinically proven way to quantify nervous system resilience and rate of recovery.

By utilizing the Biostrap Kairos, police officers can receive real-time feedback on their HRV and track their progress over time.

The role of HRV in addressing post-traumatic stress disorder

Post-traumatic stress disorder (PTSD), is a significant concern among police officers. HRV training can play a crucial role in addressing this condition by promoting stress resilience and recovery.

Research has shown that individuals with PTSD often have lower HRV, indicating an out-of-balance autonomic nervous system. The symptoms can lead to several problems, including:

Difficulty sleeping
Irritability or outbursts of anger
Difficulty concentrating
Hypervigilance
Exaggerated startle response

By engaging in HRV training, police officers can improve their autonomic balance, reducing the risk of developing PTSD symptoms.

HRV training provides them with the tools to manage stress effectively, prevent burnout, and maintain mental well-being.

Case studies and success stories of HRV training in police programs

Several case studies and success stories highlight the effectiveness of HRV training. One such study conducted with a group of young adults showed that HRV training significantly reduced perceived stress levels and improved cognitive performance. Participants reported feeling more resilient and better equipped to handle the demands of their jobs.

Another study involving police officers demonstrated that resilience training reduced physiological and psychological stress and increased peacefulness and vitality. These success stories underscore the potential of HRV training in optimizing police officer performance and fostering psychological resilience.

The future of HRV training in police programs

As demands on police officers continue to rise, the importance of stress resilience and tactical excellence can’t be overstated. HRV training offers a promising solution to enhance performance, promote recovery, and address the physiological and psychological stress they face.

By incorporating HRV into their programs, police officers can improve their stress resilience, decision-making skills, and overall well-being. The science behind HRV and the numerous benefits it offers make it a valuable tool for optimizing police training and performance.

As technology continues to advance, wearable devices like the Biostrap Kairos provide real-time feedback and quantifiable data, making HRV training more accessible and effective. With the support of professional resources and training programs, police officers can harness the power of HRV to excel in their demanding roles.

Choose Biostrap Kairos for a clinically proven way to quantify nervous system resilience and rate of recovery.

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Academy > article > hot trending > Human Performance

The Role of HRV Training in First Responder Programs

Reading time: 5 min

In the demanding world of first responders, stress resilience and tactical excellence are crucial for effective performance. One innovative training method that has gained significant attention is Heart Rate Variability (HRV) training. HRV refers to the variation in time intervals between consecutive heartbeats, which can provide valuable insights into an individual’s physiological and psychological well-being.

Let’s explore the role of HRV training in first responder training programs and how it can improve performance and resilience.

Understanding HRV and its impact on training

HRV is a measure of the autonomic nervous system’s ability to adapt to different situations. It reflects the intricate balance and back-and-forth play between the sympathetic (fight-or-flight) and parasympathetic (rest-and-digest) branches of the nervous system. High HRV is often seen as indicative of a flexible and resilient autonomic nervous system, while low HRV suggests a more rigid and stressed state.

When it comes to training, HRV can serve as a powerful tool for optimizing performance and recovery. By monitoring HRV, first responders can assess their readiness to train, identify signs of overtraining, and adjust their training programs accordingly. HRV training helps individuals regulate their stress response, promoting better recovery, mental clarity, and overall well-being.

Benefits of HRV training for first responders

The benefits of HRV training for first responders are numerous. Firstly, it helps in managing stress effectively. By training the autonomic nervous system to respond more adaptively to stressors, first responders can maintain composure and make better decisions in high-pressure situations.

Additionally, HRV training puts more emphasis on keeping an eye on sleep quality and recovery, reducing the risk of burnout and improving long-term performance.

Furthermore, HRV training improves overall health and well-being. Studies have shown that high HRV is associated with better cardiovascular health, improved immune function, and increased cognitive performance. By incorporating HRV training into their programs, first responders can make more informed decisions to enhance their physical and mental resilience, leading to improved job satisfaction and quality of life.

The science behind HRV and its connection to stress resilience

The science behind HRV lies in the complex interplay between the autonomic nervous system, heart function, and the brain. HRV reflects the dynamic balance between sympathetic and parasympathetic activity, which is influenced by various factors such as age, fitness level, stress levels, and the individual’s environment.

Research has shown that individuals with high HRV exhibit better stress resilience. They are better equipped to handle stressful situations and recover more efficiently afterward. HRV training aims to improve this resilience by teaching individuals how to regulate their autonomic nervous system through specific techniques and exercises, such as breath work or mindfulness practices.

How to measure and interpret HRV

Measuring and interpreting HRV provides valuable insight into understanding an individual’s stress resilience and recovery capacity. There are several methods available to measure HRV, ranging from simple smartphone apps to specialized wearable devices, such our Biostrap wrist-worn devices.

Biostrap captures beat-to-beat intervals and clinically reliable HRV data and provides an advanced analysis of one’s autonomic function.

To interpret HRV, it is important to understand the different metrics involved. These include time-domain measures such as SDNN (Standard Deviation of Normal-to-Normal intervals) and frequency-domain measures such as LF (Low Frequency) and HF (High Frequency) power. Each metric provides unique insights into the autonomic balance and can be used to track changes over time.

Factors influencing HRV and ways to improve it

Several factors can influence HRV, including age, fitness level, stress, environment, and sleep quality. Age generally leads to a decrease in HRV, while regular exercise and physical fitness can improve it. Chronic stress, on the other hand, research suggests can reduce HRV and hinder recovery.

To improve HRV, first responders can adopt various strategies. Regular aerobic exercise, such as running or swimming, has been shown to increase HRV.

Stress management techniques, including mindfulness meditation and deep breathing exercises, can also boost HRV. Prioritizing quality sleep and maintaining a healthy lifestyle with a balanced diet further contribute to optimal HRV levels.

HRV training techniques for first responders

HRV training techniques for first responders involve a combination of physical and mental exercises designed to enhance stress resilience and recovery. These techniques aim to improve the autonomic balance and teach individuals how to regulate their physiological responses.

Breathing exercises are a fundamental component of HRV training. Techniques such as coherent breathing, or box breath, where individuals breathe in and out for equal counts, promote parasympathetic activation and enhance HRV.

Progressive muscle relaxation and guided imagery exercises can also help first responders achieve a state of deep relaxation and bring HRV back and even beyond their baseline.

In addition to these techniques, biofeedback training can be a valuable tool. Biostrap Kairos, for example, offers a clinically proven way to quantify nervous system resilience and rate of recovery.

By utilizing wearable technology, first responders can receive real-time feedback on their HRV and track their progress over time.

The role of HRV in addressing post-traumatic stress disorder

Post-traumatic stress disorder (PTSD), is a significant concern among first responders. HRV training can play a crucial role in addressing this condition by promoting stress resilience and recovery.

Research has shown that individuals with PTSD often have lower HRV, indicating a dysregulated autonomic nervous system. By engaging in HRV training, first responders can improve their autonomic balance, reducing the risk of developing PTSD symptoms.

HRV training provides them with the tools to manage stress effectively, prevent burnout, and maintain mental well-being.

Case studies and success stories of HRV training in first responder programs

Numerous case studies and success stories highlight the effectiveness of HRV training. One such study conducted with a group of young adults showed that HRV training significantly reduced perceived stress levels and improved cognitive performance. Participants reported feeling more resilient and better equipped to handle the demands of their jobs.

Another study involving police officers demonstrated that resilience training reduced physiological and psychological stress and increased peacefulness and vitality. These success stories underscore the potential of HRV training in optimizing first responder performance and fostering psychological resilience.

Professional resources and courses for HRV training

For first responders interested in incorporating HRV training into their programs, there are numerous professional resources and courses available. These resources provide in-depth information on HRV, training techniques, and practical applications.

Organizations such as the HeartMath Institute and the International Society for Autonomic Neuroscience offer comprehensive training programs and certifications in HRV training. These programs equip first responders with the knowledge and tools necessary to implement HRV training effectively.

The future of HRV training in first responder programs

As the demands on first responders continue to increase, the importance of stress resilience and tactical excellence cannot be overstated. HRV training offers a promising solution to enhance performance, promote recovery, and address the physiological and psychological stress they face.

By incorporating HRV training into their programs, first responders can improve their stress resilience, decision-making skills, and overall well-being. The science behind HRV and the numerous benefits it offers make it a valuable tool for optimizing first responder training and performance.

As technology continues to advance, wearable devices like Biostrap Kairos provide real-time feedback and quantifiable data, making HRV training more accessible and effective. With the support of professional resources and training programs, first responders can harness the power of HRV to excel in their demanding roles.

Choose Biostrap Kairos for a clinically proven way to quantify nervous system resilience and rate of recovery.

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Academy > article > hot trending > Human Performance

Enhancing performance and safety: harnessing wearable technology for first responders

Reading time: 3 min

First responders play a crucial role in safeguarding our communities, often facing high-stress situations that can take a toll on their mental and physical well-being. Wearable technology has provided great value in various industries for tracking health metrics, such as heart rate, sleep patterns, and physical activity. Its potential in supporting first responders is undeniable in terms of helping to enhance safety and performance, including the benefits of tracking fatigue, sleep, and recovery.

One metric that has received considerable attention in the context of first responders is heart rate variability (HRV).

What is heart rate variability (HRV)

HRV, the variation in time intervals between consecutive heartbeats. It is a measure of the balance between the sympathetic (fight or flight) and parasympathetic (rest and digest) branches of the autonomic nervous system and has proven to be a reliable indicator of an individual’s stress levels, emotional well-being, and overall health.

Utilizing wearables, such as the Biostrap devices, equipped with HRV monitoring capabilities can provide real-time data, helping first responders understand their physiological responses during high-stress situations.

Wearable Technology for Measuring HRV

Wearable technology, such as the Biostrap Kairos, EVO, and Ethos can continuously measure HRV throughout the day and night. These devices use either ECG or photoplethysmography (PPG) technology. The latter to measure the changes in blood volume in the microvascular bed of tissue, providing a non-invasive method for HRV assessment.

Advantages of Wearable HRV Monitoring

Measuring HRV offers several advantages for first responders:

Continuous, real-time monitoring provides a comprehensive picture of an individual’s HRV throughout the day, allowing for more accurate assessments of stress and fatigue levels.
Non-invasive and unobtrusive technology enables first responders to wear the devices during their daily activities and while asleep without hindrance.
Data collected from wearable devices can be easily accessed and analyzed, allowing for personalized recommendations and interventions.

Why HRV Matters for First Responders

By monitoring HRV, first responders can gain insights into their autonomic nervous system’s functioning, enabling them to identify early signs of stress and take appropriate action. This information empowers them to implement self-regulation techniques, such as deep breathing exercises and mindfulness, to manage stress and maintain their performance under pressure.

The impact fatigue

Fatigue is a significant challenge first responders face. Numerous studies have established a link between the demanding nature of their work and increased risk of this condition. Literally has shown that over 50 percent of firefighter deaths are due to stress and exhaustion.

Additionally, studies have established that chronic fatigue might reduce HRV. By harnessing the power of wearable technology, we can gather valuable insights into their physiological responses, enabling proactive measures to mitigate the risk and impact fatigue.

Sleep tracking

Fatigue resulting from inadequate sleep is a significant concern for first responders, as it can impair cognitive abilities, decision-making, and reaction times, jeopardizing both their safety and the safety of those they serve. Wearable technology with sleep tracking capabilities allows first responders to monitor their sleep patterns and ensure they are getting the rest they need.

Sleep tracking can provide valuable data on sleep quality, duration, and disruptions, helping first responders identify potential sleep disorders or patterns that may impact their performance

Armed with this knowledge, they can implement strategies to improve sleep hygiene, such as maintaining a consistent sleep schedule, creating a conducive sleep environment, and adopting relaxation techniques before bedtime. These measures can significantly enhance their alertness and cognitive functioning, reducing the risk of fatigue-related challenges on duty.

Optimizing performance and safety

By leveraging HRV and sleep tracking, Biostrap enables first responders to take proactive steps toward optimizing their performance and safety. Continuous monitoring of HRV can aid in identifying patterns that may indicate the need for extended rest or recovery periods, preventing burnout and promoting overall well-being. Additionally, sleep tracking empowers first responders to prioritize and improve their sleep, ensuring they are well-rested and mentally sharp during critical moments.

Furthermore, the data collected through wearable technology can be analyzed on a broader scale to identify trends across teams. This information can be used to develop evidence-based protocols and training programs aimed at promoting resilience, reducing stress-related incidents, and improving overall performance.

More research needed but we’re at a good start

More research is needed to better understand the relationship between HRV and job-specific stressors faced by first responders, as well as to develop targeted interventions and strategies based on HRV data.

However, wearable technology, like the Biostrap devices, that are equipped with HRV and sleep tracking capabilities hold tremendous potential in supporting our first responders. By providing valuable insights into their physiological responses, these devices offer an opportunity to manage stress, reduce the risk of fatigue, and optimize performance and safety.

As we continue to explore innovative solutions, it is essential to prioritize the well-being of our first responders and equip them with the tools they need to excel in their noble service to society.

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Academy > article > Human Performance

How staying up later than your usual bedtime may rob you of time spent in deep sleep

Reading time: 4 min

Have you ever woken up feeling foggy, low energy, maybe even achy and craving all the sugars in the world? You likely didn’t get enough deep sleep. Slow-wave deep sleep, also known as stage 3 non-REM (NREM) sleep, is an important stage of sleep that is characterized by slow brain waves, reduced heart rate, blood pressure, and breathing rate, and relaxed muscles. This stage of sleep is essential for both physical and mental health, and getting enough of it is crucial for your recovery and overall well-being.

The amount of deep sleep you may get each night varies depending on factors such as the time of your last coffee, meal or workout, or even your stress levels. While you will go through several cycles of sleep during the night, it’s been found that you will spend more time in deep sleep during the first half of your sleep session. Then with each sleep cycle, deep sleep decreases. It’s exactly opposite to rapid eye movement (REM) sleep. You’ll spend less time in REM in the first half and more time closer to waking up.

In our blog about why tracking your sleep matters, we break down the different stages of sleep, so we highly recommend you to take a look for some additional details.

How do you know when to go to sleep?

There are two main systems that regulate your sleep: circadian rhythm and sleep homeostasis. You have heard us talk about circadian rhythm before, as it’s the environmental cues that control your sleep-wake cycle. As such, the sunrise triggers your body to release cortisol that helps you be alert, while sunsets and darkness impact melatonin release to help you sleep.

While the circadian rhythm, the body’s 24-hour internal clock, is impacted by external cues, sleep homeostasis is an internal regulatory mechanism, also known as sleep drive. It’s similar to your body telling you that you’re hungry and you should eat. The longer you stay awake the stronger the drive gets to make you sleepy.

The more consistent you are with your sleep schedule, the better quality sleep you’ll get each night as both your circadian rhythm and your sleep homeostasis will be in balance. The longer you adhere to that schedule and maintain that balance, the easier it will be for your body to develop a healthy sleep architecture with adequate time spent in all necessary sleep stages.

When will you get the most deep sleep

With a consistent sleep-wake cycle, your body will prepare itself to tap into deep sleep the first half of when you’re used to going to bed. Generally, going to bed before midnight and around 10 p.m. is most beneficial for getting the right amount of deep sleep.

However, if you are used to going to bed around 10 p.m. each night, but stay up on the weekend past midnight, you are stripping your body of most of this restorative phase of sleep. According to the Sleep Foundation, a few signs that you’re not getting enough deep sleep are:

Feeling drowsy and not refreshed;
Lack of alertness and attention;
Having a hard time learning and forming new memories;
Cravings for high-calorie food mostly sugars and simple carbohydrates.

Why it’s important to get enough slow-wave deep sleep

The physiological adaptations that occur during slow-wave deep sleep (SWS) help you to wake up refreshed, energized, and clear-headed, so you can perform your best that day. Take a look at below how SWS impacts your physical and mental health as well as mood and metabolism.

Physical Recovery

During SWS, the body undergoes a process of physical restoration and repair. This includes the release of growth hormones that stimulate the repair and regeneration of tissues, as well as the rebuilding of bone and muscle. It is also important for the immune system, as it promotes the production of cytokines – proteins that help the body fight infections, inflammation, and stress.

In addition, SWS helps the body conserve energy and replenish glycogen stores – the primary fuel source for muscles during physical activity. This is important for athletes and anyone who engages in regular physical activity.

Mental Recovery

During this stage of sleep, the brain organizes and processes the information that has been acquired during the day. This includes the consolidation of memories, the formation of new neural connections, and the pruning of unnecessary ones.

It’s been found that the glymphatic system that helps control the flow of cerebrospinal fluid, flushes out toxic molecules from the brain during SWS. These include beta-amyloids that are one of the main causes of cognitive disorders such as Alzheimer’s Disease and other dementias.

Studies have shown that SWS is particularly important for memory consolidation and learning. During this stage of sleep, the brain replays the neural activity that occurred during the day, which strengthens the connections between neurons and helps to consolidate memories.

Mood Regulation

Sleep plays a vital role in mood regulation, and SWS is no exception. Research has shown that sleep deprivation can lead to irritability, mood swings, and even depression. This is because SWS helps to regulate emotions, and the lack of it can disrupt the balance of neurotransmitters, such as GABA, dopamine, and serotonin that are responsible for mood regulation.

Energy Restoration

Finally, SWS is important for energy restoration. During this stage of sleep, the body conserves energy and replenishes glycogen stores. Additionally, it’s when the body rebalances your blood sugar levels. Studies have found that a lack of deep sleep may increase glucose levels and decrease insulin sensitivity.

Overall, slow-wave deep sleep is critical for physical and mental health. Getting enough of it is essential for our overall well-being, and a lack of it can lead to a range of health problems, including immune dysfunction, cognitive impairment, mood disorders, and even chronic diseases like obesity and diabetes.

As most of it occurs during the first couple of hours of your nightly slumber, make sure to stay consistent with when you go to bed and aim for shutting the lights off before midnight.

The best way to keep an eye on how much deep sleep you get each night is to track your sleep. The Biostrap Recover Set provides you with all the tools you need to gain valuable insights on your sleep quality and how much time you spend in each sleep stage. Additionally, utilizing AI and machine learning, our Sleep Lab feature will recommend the best bedtime and wake-up time for you to help you to recover optimally each day.

Tags average hrv, average hrv by age, average sleeping hrv by age, deep sleep, deep sleep and recovery, good heart rate variability, healthy heart rate variability, healthy hrv range, heart rate, heart rate variability, heart rate variability 15ms, heart rate variability 25ms, heart rate variability 30ms, heart rate variability by age, heart rate variability normal range, heart rate variability range, hrv and sleep, hrv breathing, hrv heart, hrv heart rate, hrv heart rate variability, hrv normal range, hrv over 100, hrv range, hrv stress, hrv test, hrv whoop, low heart rate variability, low hrv, normal heart rate variability, normal hrv, normal range for heart rate, normal rr interval, rmssd, rr heart rate, rr interval ecg, rr intervals, sleep, sleep and hrv, sleep deprivation, sleeping hrv, variability during sleep, whoop hrv

Academy > article > hot trending > Human Performance

How good sleep hygiene may impact your HRV and 4 habits to incorporate now

Reading time: 3 min

Are you tired of feeling groggy and unproductive during the day? The key to unlocking your full potential may lie in something as simple as improving your sleep hygiene. Not only can good sleep habits lead to more restful and restorative sleep, but they can also have a positive impact on your heart rate variability (HRV). In this article, we’ll dive into the ways that good sleep hygiene can improve HRV and what you can do to get started on the path to better sleep and overall wellness. So, let’s get ready to catch some Z’s and improve your health!

What is HRV

Heart rate variability (HRV) is a measure of the variation in the time intervals between successive heartbeats. It is a marker of the functioning of the autonomic nervous system, which regulates many of the body’s internal processes, including heart rate, breathing rate, and blood pressure. Additionally, it is a non-invasive tool used to assess the balance between the sympathetic and parasympathetic nervous systems.

While it’s a validated reflection of the state of the autonomic nervous system, it is very easily influenced by both internal, external, and environmental factors. Nearly anything you do, think or are exposed to will trigger a shift in your HRV. For example, breathwork and deep breathing has been found to have positive effects on HRV, and so does spending time out in nature or socializing with friends. On the other hand, chronic stress and anxiety may have a negative impact.

Understanding your HRV levels can be a very powerful tool to have insight into how resilient your body is and how recovered you are on any given day. Additionally, HRV has been found to be an important aspect of cardiovascular health and has been associated with morbidity and mortality in multiple disease states, including cardiovascular disease, diabetes, and hypertension.

There are a myriad of practices that are beneficial to your HRV and incorporating healthy sleep habits is one of them. So let’s take a look at how and what are some good examples.

What is good sleep hygiene

Getting a good night’s sleep is essential for our physical, emotional, and mental health. Unfortunately, many of us neglect the importance of sleep and sacrifice our rest for other priorities such as work, socializing or watching TV. However, a lack of sleep and irregular sleep patterns can have serious consequences, ranging from daytime fatigue to an increased risk of chronic health conditions such as obesity, diabetes, and heart disease.

Good sleep hygiene refers to a set of habits and practices that can help us get the restorative sleep our bodies need. By following good sleep hygiene practices, we can improve our sleep quality and duration, allowing our bodies to recharge and tap into essential restorative mechanisms overnight. In turn, this can lead to a range of health benefits, including improved immune function, better mood and mental health, and increased productivity and cognitive performance.

Several studies have shown that good sleep hygiene can have a positive impact on HRV. For example:

Consistent sleep schedule

Maintaining a consistent sleep schedule helps regulate the body’s internal clock also known as circadian rhythm, which can improve HRV. A study published in the Journal of Scientific Reports found that college students who went to bed and woke up at the same time every day had better academic performance than those with irregular sleep schedules.

Create a relaxing sleep environment

Creating a relaxing sleep environment can help reduce stress and anxiety, which can improve HRV. For example, using a white noise machine or listening to calming music before bed can promote relaxation and help your body activate its parasympathetic nervous system and improve your HRV.

Avoid caffeine and alcohol

Caffeine and alcohol can interfere with sleep and disrupt HRV. A study published in the Journal of Clinical Sleep Medicine found that caffeine consumption was associated with a significant increase in sleep disturbance.

Avoid screens and stimulating activities

Screens emit blue light, which can interfere with the body’s production of the sleep hormone melatonin and disrupt sleep. Engaging in stimulating activities, such as watching an exciting movie or playing a video game, before bed can also interfere with sleep and HRV.

Overall, good sleep hygiene is an important factor in promoting healthy sleep and improving HRV. By following good sleep habits and creating a relaxing sleep environment, you can improve the quality of your sleep and support the health of your autonomic nervous system.

Incorporating a wearable such as the Biostrap into your routine takes your health monitoring to the next level. By doing so, you will gain access to a wealth of objective and clinically accurate data on a wide range of metrics such as sleep quality, HRV, resting heart rate, and oxygen saturation levels, allowing you to make informed decisions about your overall health and wellbeing.

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Academy > article > Human Performance

How sleep deprivation, those sleepless nights impact HRV

Reading time: 2 min

Sleep deprivation is a multi-factorial health issue that may trigger a cascade of serious medical conditions. More on this in a little bit, but nonetheless, it has a significant impact on the body, including the autonomic nervous system (ANS) that regulates many of the automatic processes — heart rate and blood pressure. The connection between sleep deprivation and HRV is relevant in connection to the activity of the ANS, as HRV has been found to be a reliable indicator of ANS function and overall health.

HRV and the autonomic nervous system

Studies have shown that sleep deprivation can cause a reduction in HRV, particularly in the high-frequency range, which is primarily influenced by the parasympathetic nervous system. The parasympathetic nervous system, or PNS, is responsible for calming the body, reducing stress, and maintaining balance and homeostasis. It is particularly active during times of rest and sleep.

When you are asleep, there is a shift in ANS activity from sympathetic dominance (fight-or-flight response) to parasympathetic dominance (rest-and-digest response), which helps the body relax and prepare for restorative sleep. However, when you are sleep deprived, this natural shift in ANS activity is disrupted, leading to reduced HRV.

When it comes to dissecting HRV, we look at high-frequency and low-frequency HRV which each have their own relationship with the autonomic nervous system.

Sleep deprivation and low/high-frequency HRV

The reduction in high-frequency HRV during sleep deprivation is thought to be due to an increase in sympathetic nervous system activity, which is responsible for the body’s fight-or-flight response. This increased sympathetic activity during sleep deprivation can lead to a state of hyperarousal, making it difficult to fall asleep and stay asleep, perpetuating the cycle of sleep deprivation.

Additionally, sleep deprivation has been associated with an increase in low-frequency HRV, which is influenced by both the sympathetic and parasympathetic nervous systems. This increase in low-frequency HRV may reflect an increase in sympathetic nervous system activity when you’re sleep deprived, which can lead to increased stress and anxiety, and negatively impact your overall health.

Reduced HRV is associated with an increased risk of cardiovascular disease, metabolic disorders (i.e obesity), and poor mental health outcomes, including depression and anxiety. Chronic sleep deprivation has been linked to an increased risk of these health conditions, highlighting the importance of getting enough quality sleep.

In conclusion, sleep deprivation can significantly impact HRV, leading to a reduction in high-frequency HRV and an increase in low-frequency HRV, which can negatively affect overall health and well-being. Therefore, it is essential to prioritize healthy sleep habits to maintain optimal HRV and overall health.

Whether you want to monitor your own health or you’re working with patients, measuring HRV nocturnally may serve as an essential tool to help to quantify how certain levels of sleep deprivation may affect HRV and overall recovery.

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Academy > article > Human Performance

How HRV is related to sleep quality and duration

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Research has shown that HRV is a reliable and non-invasive marker of sleep quality and duration. HRV, or heart rate variability, measures the variation in the time intervals between consecutive heartbeats, which reflects the activity of the Autonomic Nervous System (ANS) during sleep. The ANS regulates many of the body’s automatic processes, including heart rate, respiration, and digestion, and is responsible for maintaining the body’s internal balance or homeostasis.

During sleep, the ANS shifts from sympathetic dominance (fight-or-flight response) to parasympathetic dominance (rest-and-digest response), which helps the body to relax and prepare for a restful and restorative sleep. The parasympathetic nervous system (PNS) is responsible for slowing down the heart rate, lowering blood pressure and reducing the overall sympathetic activity. This shift in ANS activity is reflected in your HRV, with higher HRV indicating greater PNS activity and better sleep quality.

Additionally, when your body taps into this rest-and-digest state, stress hormones, such as cortisol and adrenaline decrease and calming hormones including oxytocin increase.

HRV and sleep

Studies have shown that higher HRV during sleep is associated with deeper and more restorative sleep, longer sleep duration, and less sleep disturbances. In contrast, lower HRV during sleep has been linked to poorer sleep quality, more frequent awakenings during the night, and an increased risk of sleep disorders, such as sleep apnea and insomnia.

HRV and sleep interventions

HRV can also be used to evaluate the effectiveness of sleep interventions. For example, cognitive-behavioral therapy for insomnia (CBT-I) has been shown to increase HRV during sleep, indicating improved sleep quality and duration. However, according to one study, more research is needed to define “whether insomnia treatment might play a role in physiological changes associated with cardiovascular anomalies.”

Similarly, relaxation techniques such as deep breathing and meditation have been found to increase HRV during sleep, suggesting that they may be effective interventions for improving sleep quality.

In summary, HRV is a useful tool for assessing sleep quality and duration, and can provide valuable insights into the activity of the ANS during sleep. By monitoring HRV during sleep, you can identify potential sleep disturbances and take steps to improve your sleep hygiene and overall sleep quality. Additionally, healthcare professionals can use HRV to diagnose and treat sleep disorders, and to evaluate the effectiveness of sleep interventions.

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How staying up later than your usual bedtime may rob you of time spent in deep sleep

How sleep deprivation, those sleepless nights impact HRV

How HRV is related to sleep quality and duration

Did we miss anything?

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References

What is the Sympathetic and Parasympathetic Nervous system

Sympathetic Nervous System: The “Fight or Flight” Response

Parasympathetic Nervous System: The “Rest and Digest” Response

Signs of Sympathetic Nervous System Overdrive

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