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May 15, 2025 • 8 mins

🔹 Did you know your heartbeat holds valuable clues about your health, stress levels, and recovery?  🔹 Heart rate variability (HRV) is more than just a number—it’s a powerful signal revealing how well your body adapts to stress and daily life! 

In this episode, we explore why HRV has become a key metric in health research, from tracking recovery in athletes to assessing stress and chronic disease risk. With modern wearable technology, HRV can be measured using simple PPG sensors on the wrist or more precise ECG devices, giving researchers a deeper understanding of autonomic nervous system function. We also break down different HRV analysis methods—time-domain, frequency-domain, and nonlinear analysis—and how each provides unique insights into physiological resilience and recovery.

This episode is based on a LinkedIn article from the Next-Gen Research Techniques newsletter. Read more here: 🔗 LinkedIn Article. Please note that this episode is narrated using an AI-generated voice.

 

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This podcast episode is sponsored by Fibion Inc. Better Sleep, Sedentary Behavior and Physical Activity Research with Less Hassle

Learn More About Fibion Devices

Fibion SENS - Collect, store and manage SB and PA data easily and remotely.

Fibion Flash - A versatile customizable tool with HRV and accelerometry capability. 

Fibion Research - SB and PA measurements, analysis, and feedback made easy

Fibion Helix – Ideal for large scale studies. Scalable and affordable with patented precision.

Fibion G2 – Validated data on sitting, standing, activity types, energy expenditure, with participant friendly reports.  

Learn more about Fibion Sleep and Fibion Circadian Rhythm Solutions.

Fibion Kids - Activity tracking designed for children.

Fibion Vitals - A portable device designed to be worn on the chest that serves as a comprehensive health management tool.  Fibion Emfit - Contact free tracking and sleep analysis. 

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Fibion Sleep Solutions: https://web.fibion.com/sleep-solutions/  Fibion Sedentary Behavior and Physical Activity Solutions: https://web.fibion.com/sedentary-and-physical-activity-solutions/  Fibion Circadian Rythm Solutions: https://web.fibion.com/circadian-rhythm-solutions/  Fibion Biosignal Measurements Solutions: https://web.fibion.com/fibion-biosignals/  ---

Explore our Wearables, Experience sampling method (ESM), Sleep, Heart rate variability (HRV), Sedentary Behavior and Physical Activity article collections for insights on related articles.

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