And, voilà — sleep apnea detection is now set up on your Apple Watch. To learn even more about the condition, head back to the Browse tab in your iPhone's Health app and select Respiratory health.

Make sure Apple Watch and old iPhone are updated and synced to iCloud > back up old phone > set up new phone. When asked to use Apple Watch, select Continue > keep devices close > follow on-screen ...

Even if you currently have the latest Apple Watch on your wrist, you might not be aware of these helpful health features.

You may have noticed a mysterious purple person icon on your Apple Watch. There's a good explanation for why it's there, and ...

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

I am someone who is borderline obsessed with monitoring my health and fitness data. I use a smart scale, a calorie- and nutrient-tracking app, smart workout equipment, and my beloved Apple Watch to ...