Much has been written about the effects smartphones can have on your sleep. For several years, researchers have been warning that the blue light emitted by touchscreens can interfere with sleeping ...

While most smartwatches offer basic sleep tracking out of the box, there are many hidden features that can elevate your ...

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 ...

Smartwatches make it easy to keep track of your sleep with data-based scoring. But, as it turns out, this may be doing more ...

How does a sleep tracker on your finger compare to one in a bed? I tested Sleep Number and Oura for a month to find out. Plus, expert sleep-tracking tips. Aly Lopez Former Writer I Aly Lopez was a ...

ATLANTA – 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 ...

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

The DUSQ tracker senses even the tiniest disruptions and sends you back to sleep, making 8 hours in bed feel like 10 ...

Is sleep tracking actually useful in daily life, or is it just data overload distracting you from what matters? After tracking my sleep every night for a year, I have some answers. Owen Poole, a ...

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 ...