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 ...

The Apple Watch isn't known for being the most precise sleep‑tracking wearable, but if your readings seem far off, there are ...

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 ...

The increasing availability of sleep monitoring apps, and rising interest in sleep health, has led to a sharp increase in people tracking their rest. But these apps might not give people an accurate ...

The bedside table of the modern health enthusiast increasingly features sophisticated technology aimed at unlocking the mysteries of sleep. From advanced rings and watches that monitor heart rate ...