Understand and Improve Your Heart Rate Variability
Science-backed guides to HRV for better health, recovery, and performance. Plus honest device reviews to help you track what matters.
Featured Articles
Independent research reveals which HRV monitors actually deliver accurate readings. Here's our tested ranking for 2026.
Heart rate variability might sound technical, but it's actually one of the simplest and most powerful ways to understand your body's overall health and stress levels.
Want to boost your HRV? These 10 science-backed strategies can help you improve your heart rate variability and overall health.
Why HRV Matters
Recovery & Training
Know when to push hard and when to rest. HRV reveals your body's readiness to perform and helps prevent overtraining.
HRV for Athletes →Stress & Resilience
See how daily stressors affect your nervous system. Use HRV to build awareness and improve your stress response.
HRV and Stress →Sleep & Longevity
Track how sleep, nutrition, and lifestyle choices impact your health. Higher HRV is linked to better long-term outcomes.
HRV and Sleep →Guides & How-Tos
Research shows Tai Chi can significantly improve HRV by shifting your nervous system toward parasympathetic dominance. Here's what the science says and how to get started.
Pet owners show higher HRV and better cardiovascular outcomes than non-owners. Here's what the science says about the heart health benefits of the human-animal bond.
Strength training temporarily suppresses HRV, but long-term resistance exercise can improve autonomic function. Here's how to use HRV to train smarter.
HRV Device Reviews
Honest, in-depth reviews to help you choose the right tracker.
Ready to Measure Your HRV?
No wearable needed. Get a quick HRV reading using just your webcam in 60 seconds.