This heart metric can tell you when you’re burned out. Here's how to figure out yours.

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 ...
EurekAlert!

Variability in heart rate during sleep may reveal early signs of stroke, depression or cognitive dysfunction, new study shows

(Helsinki, Finland, Saturday, 21 June 2025) New research, presented today at the European Academy of Neurology (EAN) Congress 2025, has uncovered a powerful link between nighttime heart rhythm and ...
News Medical

Study links sleep heart rate variability to stroke and depression risk

New research, presented today at the European Academy of Neurology (EAN) Congress 2025, has uncovered a powerful link between nighttime heart rhythm and future health conditions, even in people with ...

The Heart Rate Zone Training Formula Is Flawed, Especially For Women. Here's How To Rethink Your Training.

The issue: Many runners (particularly women) report that their fitness trackers tell them they’re exercising in a higher zone ...