Like many Americans, I know I need more sleep. I’m a night owl, often writing late into the night, but also a mom who gets up early with her kids. The result: I’m not getting enough rest. When I ...

Middle school teacher Kate Stoye checks her sleep score on her phone, Wednesday, Jan. 7, 2026, in Hiram, Ga. (AP Photo/Emilie Megnien) ATLANTA — Your watch says you had three hours of deep sleep.

ATLANTA — 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 well ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Penpak Ngamsathain/Getty Images There are dozens of devices that promise to accurately track your sleep, making sleep insights ...

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 ...

When Apple releases its new lineup of Apple Watches, they'll come packed with a slew of new features designed to give users more out of the smartwatch. One of those features, called Sleep Score, will ...

One of the headlining features of watchOS 26 is Sleep Score, which provides a nightly score and classification of your sleep on Apple Watch. With today’s release of the first betas of watchOS 26.2 and ...