Many people in the U.K. now use apps, smartwatches or wearable devices to track their physical activity. Fitness trackers ...

ATLANTA (AP) — Your watch says you had three hours of deep sleep. Should you believe it? Millions of people rely on phone apps and wearable devices like rings, smartwatches and sensors to monitor how ...

Tracking health metrics has become increasingly common in our day-to-day lives. So common in fact that nearly one in three Americans uses a health or fitness wearable, according to a 2023 survey ...

There is good evidence that fitness tracking apps can help some people become more active, but these is a dark side.

Millions of people rely on phone apps and wearable devices like rings, smartwatches and sensors to monitor how well they’re sleeping, but these trackers don’t necessarily measure sleep directly.