You can view the sleep score on your iPhone or on your Apple Watch. On the watch (Series 6 or later), go to the Sleep app.

Once in the Watch app on your iPhone, scroll down until you see 'Sleep.' Go ahead and tap the icon to change your sleep tracking settings. Within the sleep menu, ensure that the toggle for 'Track ...

The latest health-tracking feature on the Apple Watch has life-changing implications. Here's how to turn it on, and how it works.

The newest Apple Watch adds features that smartwatch owners have been asking for, from new health tracking to better battery life.