Sleep coach Tommy Graves revealed how going eight days without sleep led to him believing he could end wars, racism and could change the world.

For an astonishing 11 days and 25 minutes, 17-year-old Randy Gardner didn't sleep for a high school science fair project in California in 1963, setting the world record for the longest someone has ...

We have all sacrificed a night's sleep at some point in our lives, perhaps to study for an exam or while taking a long-haul flight. But just one night without sleep is actually enough to rewire our ...

The restorative effects of sleep on the brain are well known, but what happens at the neural level remains a fascinating mystery. A groundbreaking study led by researchers from Rice University, ...

In 1818 Johann Christian August Heinroth, considered to have been the first professor of psychiatry at a university, suggested that sleep deprivation might alleviate “melancholia,” or depression. But ...

It's devastating for your health long-term, but some people thrive at night with short-term bursts of productivity. Jessica was a writer on the Wellness team, with a focus on health technology, eye ...

Sleep apnea is one of the most common — and most overlooked — sleep disorders. Millions of people live with it for years without realizing their nightly rest is being repeatedly disrupted, quietly ...

Whether you’re planning an all-nighter or dealing with insomnia, read on to learn how your body will handle sleepless days and nights. Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds ...