Dr. Dan Cohen, a neurologist, has spent decades helping people get better sleep. In 1982, he founded CNS, a company that pioneered automated diagnostic technology for sleep labs -- and then, in 1994, ...

Deep sleep is one of the most essential stages of the sleep cycle, playing a vital role in how well you feel both physically and mentally. Often referred to as slow-wave sleep or delta sleep, this ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." POV: It’s 2:00 a.m. and you can’t fall asleep. You’ve tried everything, from cognitive shuffling to ...

What's one thing I want to try in bed? Getting eight hours of sleep. I don't have trouble nodding off; I just don't get to do it enough. After post-gym laundry and eating ultra-processed snacks, it's ...

Deep sleep is the phase of sleep responsible for cell repair, clearing toxins, and processing info. You can get more deep sleep by taking a hot bath before bed and avoiding caffeine and alcohol.

It sounds far-fetched, but this £130 light-emitting gadget has induced blissful bouts of slumber that have eluded me for five ...