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

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

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

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 ...

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 ...

Sleep technology is moving beyond tracking, as device makers and health groups focus on shaping sleep, writes ARTHUR GOLDSTUCK.

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 ...