Forger takes a more favorable view toward the devices, which he says help keep the overlooked importance of sleep front of ...

To see your sleep data, open the Health app on your iPhone and tap Browse, then Sleep. At the top of the screen, you will see ...

Signs you’ve over-complicated your sleep sitch.

Millions of people rely on wearable devices to monitor how well they're sleeping ATLANTA -- Your watch says you had three hours of deep sleep. Should you believe it? Millions of people rely on phone ...

Millions of people rely on phone apps and wearable devices like rings, smartwatches and sensors to monitor how well they're sleeping, but these trackers don’t necessarily measure sleep directly.