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

Smartwatch makers promise to turn your wrist into a sleep lab, translating tiny movements and heart rate blips into colorful ...

Oura is the most "ring-like" of the bunch, compared to a traditional jewelry ring. The current model just as a small indent ...

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 quality of that sleep might be more important than the quantity. Sure, ...

Sleep has become a battleground for technology firms, insurers and health providers, with significant money riding on what happens overnight. Once treated as a personal habit, sleep now features in ...

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 ...

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 ...

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 ...

People struggling with insomnia tend to hyperfocus on the fact that they can't sleep, which can prevent them from getting any ...