A nationwide study revealed that insufficient sleep is second only to smoking in predicting shorter life expectancy across ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Alzheimer’s disease is a devastating condition that impacts millions of families around the world. But ...

Obstructive sleep apnea (OSA) is a common sleep disorder in the U.S. affecting tens of millions, with estimates ranging from 25 to more than 80 million adults.

Most people understand that sleep is vital for overall health, yet it isn’t always obvious when we’re not getting enough. While the traditional “eight hours a night” rule is outdated, experts agree ...

The findings challenge the conventional view that daytime sleepiness is always a result of insufficient sleep, poor sleep hygiene or classic sleep disorders. Instead, they suggest that internal ...

A recent PLoS One study used data from participants from sleep clinics to assess the performance of a consumer-grade sleep-tracking device, relative to polysomnography (PSG). The importance of sleep ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. The grueling Medical College Admission Test, or MCAT, was first ...

Melatonin supplements have grown in popularity for promoting higher-quality sleep. Melatonin is a naturally produced hormone in the body that helps regulate sleep, increasing during hours of darkness ...