Turns out 6.4 to 7.8 hours of sleep a night might be ideal. Here are some tips on how to get the “just right” amount.

Common knowledge dictates that you should get at least eight hours of sleep per night if you want to be operating at your ...

Dr. John Torres, NBC News medical contributor joins TODAY with a roundup of the biggest health stories people are talking ...

Scientists have found that the amount of sleep you get each night doesn't just result in brain fog and under-eye circles, but ...

A new study in Nature reveals that people who sleep too little or too long show signs of accelerated biological aging and higher disease risk.

It’s not just beauty rest — sleep duration and quality are some of the most powerful indicators of metabolic health. And a new study may have pinpointed exactly how much sleep it takes to keep Type 2 ...

New research has found that too much or too little could be harmful.

Sleeping too much or too little can lead to cognitive decline over time, but new research suggests there could be a sleep time "sweet spot" that stabilizes cognitive function. In a longitudinal study, ...

All the Latest Game Footage and Images from Sweet Sleep With unending amounts of free time, Madotsuki finds herself with a lack of things to do. More often than not, she sleeps. While her dreams were ...