Your watch says you had three hours of deep sleep. Should you believe it? Millions of people rely on phone apps and wearable ...

Millions use sleep-tracking devices, which have become increasingly accurate at gauging sleep. Experts say they highlight ...

Wearable health devices now track heart health, stress, glucose, fertility, and sleep, turning smart wearables into everyday ...

There’s so much advice out there about how to fall asleep, how to stay asleep, how many hours of sleep you need, what to eat before bed for better sleep—you could spend months, if not years, trying ...

Add Yahoo as a preferred source to see more of our stories on Google. For years now, we've been told that we have to get enough sleep to maintain our physical and mental health. But in reality, the ...

The newest range of smartwatches is hard to find on sale, but for Samsung fans on the hunt for a new wearable one new model is discounted in price. The Samsung Galaxy Watch8 is a top model to buy for ...

China-based Sleepace, which has developed a sleep tracking device, raised $7 million in a round led by retail chain Luolai Home Textile with participation from ecommerce giant JD.com, according to a ...

San Francisco-based startup Hello has raised $20 million in a round led by Singapore-based investment firm Temasek for its sleep tracking, bedside orb, Sense, according to the Financial Times. This ...

The Garmin Index Sleep Monitor is a specialized wearable designed to provide in-depth sleep tracking without the need for a wristwatch. It caters to individuals who prioritize comfort during sleep or ...

Over one-third of Americans use some sort of device to track their sleep, according to the American Academy of Sleep Medicine. CREDIT: whitebalaance.space via Getty Images. Get the Popular Science ...

Omega Chen purchased a Garmin watch to track his heart rate and other metrics when he exercised, but it also measured things like his resting heart rate and “sleep score” every day and night. Yet no ...