Sleep shaped human evolution. Without it, we might gain time but lose health, memory, and focus. Evolution tells us sleep isn ...

People report vivid dreams during rapid-eye-movement sleep. But is this sleep stage really the only time we dream?

Learn how better sleep leads to bigger gains and faster results in the gym by understanding how it drives muscle growth, ...

"He barely lifted his head off his bed and I knew something was really wrong," Kassidy Ciarrone told Newsweek.

Study finds women sleep more soundly with dogs than with partners. From fewer sleep disruptions to more security, dogs are ...

Q. A while back, your column provided an answer to a man who woke up too early and couldn’t get back to sleep. There are ...

If lack of sleep persists, people are more likely to develop long-lasting conditions including obesity, diabetes, cardiovascular disease and even early mortality. How many people get enough sleep in ...

A new study has linked 172 different diseases, which include dementia, type 2 diabetes, and Parkinson's disease, to poor ...

Even three consecutive nights of reduced sleep can trigger spikes in blood proteins tied to heart disease risk. This effect ...

The espionage thriller "A Most Wanted Man" marks the final leading role from legendary actor Philip Seymour Hoffman before ...

I had to hunch down to walk through the crew rest area, which has eight beds for flight attendants to rest on long-haul ...

Stay away from electronic screens for at least half an hour before bed. Avoid caffeine and alcohol before bed (alcohol might help you fall asleep, but it's likely to decrease the quality of your sleep ...