Which sleep tracker should you buy this Black Friday? Here are some of our favorites, in various forms, from smartwatches to rings. When you purchase through links on our site, we may earn an ...

A good night’s sleep is essential for overall health and well-being, but understanding how well we sleep often requires more than just waking up feeling refreshed. That’s where the best sleep tracker ...

Roughly one in three adults in the U.S. regularly gets insufficient sleep, driving demand for tools that can monitor, analyze, and enhance rest. Eight Sleep, founded in 2014, offers AI-powered sleep ...

Alexandra Simpson’s debut No Sleep Till opens with a haunting message. Over the airwaves in Florida, a crackly voice announces a tropical storm warning for the area. The tone is stern but ...

Sleep.ai, a sleep intelligence platform, has raised $5.5 million in funding, which it will use to advance its AI models that analyze sleep patterns, it announced on Tuesday. The Carlsbad, ...

Having your mouth taped shut is the stuff of nightmares — but some people are doing just that to themselves. And in an attempt to sleep better, no less. Doctors say don’t do it. Some on social media ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." So, what is the ideal temperature for sleep, exactly? Is it better to sleep in a warm or cool environment ...