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 ...

Here are the essential Apple Watch settings to change after setup.

What’s happened? A team at the University of Massachusetts Amherst has developed an app called BIDSleep that transforms the Apple Watch into a research-grade sleep monitoring device. Built under the ...

Your Apple Watch may be able to do more for your health than you're aware of. Start using these features as you go on your 2026 health journey.

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Did you know you can ...

Over the years, Apple has developed a habit of observing what works in other smartwatches and fitness trackers, and then introducing similar features to the Apple Watch later. But, because it’s Apple, ...

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 might finally introduce a sleep score system to the Apple Watch, giving users a clearer way to measure sleep quality beyond REM and deep breakdowns. The feature, spotted in iOS 26 beta code as ...

Apple today released watchOS 26, the newest version of the watchOS operating system that runs on the Apple Watch. ‌watchOS 26‌ is compatible with the Apple Watch Series 6, all Apple Watch Ultra models ...

Sliding the Apple Watch Series 11 onto my wrist felt less like trying something new and more like picking up where I'd left off. The newest watch doesn't offer many fireworks, but after almost a week ...

A restful night's sleep is something many people wish they could achieve but never do. With the demands of work, family and everything in-between, many people find themselves tossing and turning in ...

CNET’s expert staff reviews and rates dozens of new products and services each month, building on more than a quarter century of expertise. Editors' note: The Apple Watch Series 11 builds on Apple's ...