ATLANTA (AP) — Your watch says you had three hours of deep sleep. Should you believe it? Millions of people rely on phone apps and wearable devices like rings, smartwatches and sensors to monitor how ...

Plus, doctors’ number-one pick and their take on the devices.

AP Wearable devices, including Apple Watches, can be used to track sleep recently in Atlanta, Ga. ATLANTA — Your watch says you had three hours of deep sleep. Should you believe it? Millions of people ...

If your Fitbit is giving you bad sleep-tracking data, the fix might be simpler than you think. Here's what to check to get ...

While some technology can hinder sleep, certain devices are designed to improve rest. Sleep tech includes items like noise machines, sleep trackers, and heated eye massagers. Wearable devices can ...

Your watch says you had three hours of deep sleep. Should you believe it? Millions of people rely on phone apps and wearable devices like rings, smartwatches and sensors to monitor how well they’re ...