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 ...

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 ...

Apple’s latest Watch models put health tracking front and center, adding more sophisticated sensors and new ways to monitor ...

Over 70 million Americans wear digital activity trackers (DATs) to record their sleep, steps and heart rate. A new study from Scripps Research found that these devices could also provide insight into ...

Hume Band 2.0 fitness tracking falls short against competitors like Fitbit and Apple Watch. Heart rate measurements drop ...

Could tracking your resting heart rate before bed predict how well you’ll sleep that night? Longevity influencer Bryan Johnson thinks so. “I’ll look at my heart rate and see how many times it’s ...

Apple Watch Series 12 or Samsung Galaxy Watch 9, which one wins the health battle?

Your smartwatch shows you a number in milliseconds. Here is what a healthy one looks like.

Tracking key heart health metrics every day helps you understand how your lifestyle affects your cardiovascular system and empowers you to take proactive steps toward better heart health. Heart ...