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 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 ...

When the sleep tracking app Pokemon Sleep first launched, many fans wished for smartwatch integration to use their existing sleep data to catch Pokemon. At long last, we got what we asked for – select ...

Sleep apnea is estimated to affect more than one billion people worldwide and is linked to a decline in cardiac function, an increased risk for diabetes, and an overall lower quality of life — here's ...

The Apple Watch 11 is supposed to be able to alert users about “possible hypertension” by using data from an optical heart rate sensor “to analyze how a user’s blood vessels respond to the beats of ...