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"Do not view HRV as a stress score, but rather as a nervous system resilience score." ...

Fitness trackers and smart watches are widely popular wearable devices that measure several types of health metrics, including step count, calories burned, sleep quality, Vo2 max and heart rate. As a ...

This is the ultimate heart rate variability deep dive—nuanced, practical, and funny. I'll even share a story involving Andrew ...

Apple Watch and other fitness trackers have the capability to provide us with information on cardiovascular parameters that reflect the activity of the autonomic nervous system. Measures of that ...