Apple added a new Sleep Score feature that gives you a single number to sum up how you slept. It pulls data from your Apple Watch and turns it into an easy rating you can check first thing in the ...

Apple’s sleep charts can feel like a nightly report card, and “core sleep” often ends up in the spotlight. Yet the science behind wearables suggests that fixating on that one stage is a distraction ...

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.

Earlier today we saw iOS 26 code suggesting that an Apple Watch sleep score feature is in development, with a percentage score indicating your readiness to tackle the day ahead. The feature also ...

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 ...