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 ...

How accurate is your smartwatch? Learn how Apple and Samsung smartwatches use motion and HR to track sleep, and why you ...

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 ...

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 ...

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, ...

If you’re searching for the best sleep trackers, you’re doing yourself a favor. Quality sleep is necessary for feeling like a functional human, but it seems increasingly elusive these days. And ...

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 ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Mashable may earn an affiliate commission. Health and fitness trackers ...

Apple Watch sleep tracking works closely with the Health and Watch apps on your iPhone. Learn how to turn this feature on, edit settings, and view sleep data. How to Set Up an Apple Watch For Sleep ...