Apple Watch tracks more health metrics than you realize

Apple Watch collects much more health data than users realize. Let's walk through some of the lesser-known metrics so that you can better leverage them to better your health.Reviewing our sleep data on Apple WatchFor years now, Apple has been boasting about the health impacts of Apple Watch, featuring touching stories in many of its event hype videos. It's easy to see what a difference the wearable has made.Everyone knows about a lot of these major features, such as the ability to take an ECG, call emergency services in a car crash, or track your workouts throughout the day. This though, is only touching the surface. Continue Reading on AppleInsider | Discuss on our Forums