The Apple Watch isn't known for being the most precise sleep‑tracking wearable, but if your readings seem far off, there are ...

Apple Watch users who wake up to inconsistent sleep data have a real problem: the device tracks sleep using optical ...

Plus, doctors’ number-one pick and their take on the devices.

Apple Watch sleep tracking keeps getting better – delivering easy-to-read data, handy health insights, and scores that'll have you bouncing out of bed, but it’s not perfect ...

For a while now, I’ve worn two devices when I go to sleep—an Apple Watch Series 7 on my left wrist, and a WHOOP 5 MG on my right wrist. Every morning, I get three different scores purporting to tell ...

From the Oura Ring to the Apple Watch to the Google Pixel — here's what the science really says about the accuracy of their health data ...

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 ...

I don’t know how or when it happened, but I have become obsessed with tracking my health data. Formerly, I would toss and turn, wondering what had caused my sleepless nights, or donned a new pair of ...

The MG hardware is understated by design. The sensor housing is smaller than previous versions, while the default fabric ...