Sleep is one of the core metrics all smart rings track. They typically offer a daily sleep score out of 100, which takes into ...

Your heart rate naturally slows down before you conk out at night to shift your body into a rest and repair state. But everyone moves into this slower heart rate at different speeds, and there’s some ...

It's no secret that alcohol inhibits overall health, but for runners and other athletes, the risks are even more adverse. Drinking alcohol negatively affects your heart-rate variability (or HRV) and ...

You might be familiar with HRV—heart rate variability—as a popular training tool for workouts and a biomarker for measuring exercise recovery. Beyond exercise tracking, heart rate variability has a ...

Heart rate variability during sleep can predict stroke, depression or cognitive dysfunction years in advance, according to new research presented at the European Academy of Neurology Congress. The ...

Back into fitness after a multi-month hiatus, I was looking for all the help I could get. I agonized over which wearable to commit to (read: procrastinated my first exercise session as long as ...