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 Apple Health app is a powerful and versatile tool that goes far beyond simple step tracking. Designed to help you monitor and manage various aspects of your health, it offers features ranging from ...

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 ...

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 ...