Your nightly sleep cycle plays a key role in the quality of your sleep. Here's what happens in each stage and why it matters ...

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 ...

In the city that never sleeps, employees at one startup are competing to find the best sleeper. And there's a clear frontrunner, according to the leaderboards at Eight Sleep's New York City office. "I ...

New studies show that a bacterial molecule, peptidoglycan, is present in the brain and fluctuates with sleep patterns. This challenges the idea that sleep is solely brain-driven, instead suggesting it ...

Corgan The University of Texas at Dallas’ Center for BrainHealth is putting the power of sleep to work under a leading sleep scientist. On Wednesday, the university announced the creation of the Sleep ...

Calm is launching a new stand-alone app for more personalized sleep support, the company announced on Tuesday. The new Calm Sleep app is available on iOS and is designed to help people wind down, ...

Unveiled at the "Awe Dropping" event, Sleep Score isn't an Apple Watch Series 11 exclusive. Here's a look at how it works and how to try it yourself. Apple has been taking sleep tracking more ...

Joanna Fong-Isariyawongse does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations ...

To get a better night’s sleep, small upgrades can make all the difference. Blackout curtains, weighted blankets, smart goggles and sound machines can create a more relaxing sleep environment and ...

Here’s one cool addition to yesterday’s information about how the Sleep Score feature works on older Apple Watch models: in fact, it even works with third-party accessories, provided they offer a ...

A rough night’s sleep can zap your motivation to pry your butt out of bed for your normally scheduled morning workout. But, hard as it may seem when your covers are beckoning, making time for movement ...

UC Berkeley researchers mapped the brain circuits that control growth hormone during sleep, uncovering a feedback system where sleep fuels hormone release, and the hormone regulates wakefulness. The ...