A week after Apple held an event revealing its new iPhone, Apple Watch and AirPod models, the U.S. Food and Drug Administration has approved an Apple Watch function that can detect sleep apnea in ...

Edit sleep settings from Apple Watch Sleep app or in the Sleep section of the Health app on iPhone. Apple Watch sleep tracking works closely with the Health and Watch apps on your iPhone. Learn how to ...

The U.S. Food and Drug Administration today published clearance of sleep apnea detection on newer Apple Watch models, as reported by TechCrunch. Sleep apnea is a potentially serious disorder in which ...

Sleep apnea can be serious and have significant health effects beyond just disrupted sleep. Here's you can monitor and detect it, using just an Apple Watch. Sleep apnea is a chronic illness that ...

Unveiled at the "Awe Dropping" event, Sleep Score isn't an Apple Watch Series 11 exclusive. Here's a look at how it works and how to try it yourself. Apple has been taking sleep tracking more ...

If you use a third-party sleep tracker with your Apple Watch, you’re probably familiar with the concept of a sleep score: an index that combines signals like heart rate variation and sleep stages, to ...

Let's talk about one of the most confusing terms you’ll see on your fitness tracker—specifically your Apple Watch. Next to REM sleep, which you’ve probably heard of, and “deep” sleep, which feels self ...

We all have days where we wake up after clocking the usual sleep hours, but still feel fatigued and wonder if there was something wrong during the rest hours. For such situations, the sleep tracking ...

Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...

watchOS 26.2 is bringing three new features and changes to your Apple Watch. Apple is updating Sleep Score, which should now be a bit more accurate when calculating your overall score. The update also ...

I used to rip my Apple Watch off in the middle of the night, convinced that no notification or sleep score was worth the ...