Heart Rate Variability, often shortened to HRV, has become one of the most popular recovery metrics in fitness. While resting heart rate tells you how many times your heart beats per minute, HRV ...

In today’s era of self-optimization, everyone is seemingly obsessed with longevity and improving their own healthspan. Thanks to modern day wearable tech, we’re no longer limited to basic health stats ...

Heart Rate Variability (HRV) might be the most accessible—and powerful—predictor of cardiovascular and nervous system health that you are probably not measuring. Today’s letter is dedicated to ...

View post: Patrick Mahomes Drinks This Before Games and the Reason Is Surprisingly Scientific HRV measures tiny fluctuations between heartbeats, indicating autonomic nervous system adaptability.

From resting heart rate to training zones to heart rate variability, heart rate data gets a lot of glory when it comes to running—and for good reason! But now, some athletes are starting to talk about ...

The Starting Point of This ConsiderationAs a physical change when continuing short sleep, heart rate can increase.Generally, the following explanation is considered:"Sleep time becomes shorter"→ "Need ...