My bedroom has become a sleep lab filled with smart rings, fitness bands, and mattress covers. Here's what I learned.

N early half of all Americans and around 40% of Britons now use a smartwatch, smart ring, phone app or another similar device to track their sleep. Are these gadgets accurate—an ...

I've been covering Android and other mobile technology for close to ten years now, with a specific interest in phone accessories, e-readers, and what makes each individual phone different from another ...

Good sleep is a must for optimal health. Accurate and feature-rich, these wearables help you track and optimize your sleep for the best possible shut-eye.

A good night's sleep is a fundamental part of a healthy and productive lifestyle, so it's no surprise that many of the most popular smartwatch makers have added sleep tracking to their wrist-mounted ...