Hypertension notifications are a new feature in watchOS that comes to several older Apple Watch models, here’s how to set it ...

Open the Health app on your iPhone and navigate to the Heart section, or tap your profile icon and find the health checklist.

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

Apple's built-in Sleep app is free and tracks sleep duration, but there are other paid apps that have even more sleep tracking features.

To pair an Apple Watch with your iPhone, you'll need to have the latest version of iOS installed on your iPhone.