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 ...

You’ve heard of REM sleep but what about deep sleep? Experts share why it’s important and how to make sure you’re getting enough of it.

If you’ve ever suffered a night of poor sleep—like, you got about three hours less than you wanted—you may have found yourself in a doom spiral, thinking that you’ll never sleep well again (been there ...

Last week Apple shipped the first iOS 26.2 and watchOS 26.2 betas with a big change to Sleep Score’s grading system. After nearly a week with the new Sleep Score, here’s how I’m feeling about the ...

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 ...

Which sleep tracker should you buy this January? Here are some of our favorites, in various forms, from smartwatches to rings. When you purchase through links on our site, we may earn an affiliate ...

Ever wonder why some mornings you wake up ready to go, and others you feel like a zombie? The difference often comes down to when you wake up during your sleep cycle, and that’s exactly what a sleep ...

Dr Dean J. Miller is a member of a research group at Central Queensland University that receives support for research (i.e., funding, equipment) from WHOOP Inc, a smart device maker. Many smartwatches ...

NEW YORK, Nov. 3, 2025 /PRNewswire/ -- Daylight Savings promised an extra hour of sleep — but parents know better. Between time changes, travel, and everyday unpredictability, baby sleep can feel like ...