Smartwatch makers promise to turn your wrist into a sleep lab, translating tiny movements and heart rate blips into colorful ...

There’s more to a smartwatch than logging your stats on Strava — here’s how to use your new wearable to sleep better than ...

The Apple Watch has a built-in sleep tracker, but it can be hard to find. Here’s how to access it, how to set it up so that it properly records how much sleep you’re getting, and how to understand the ...

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 ...