Oura reports that heart rate variability (HRV) measures the variation in heartbeat timing, reflecting stress levels and recovery. Higher HRV indicates well-being, while lower HRV signals stress.

Genetics can dictate whether your HRV naturally tends to be on the higher or lower end, but positive lifestyle choices, ...

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 ...

These days, it may seem like there’s a million different data points that you’re supposed to keep track of—hello, steps, sleep, and recovery scores!—and it’s difficult to know which ones are worth ...