Sleep is often treated as optional, but new nationwide research suggests it may be one of the most powerful factors shaping how long people live.

It's recommended to get at least seven hours of sleep per night, but some people feel okay with less. Doctors break down why, ...

Few experiences rival the calm satisfaction of falling asleep easily and waking up feeling fully rested. But sleep is more than a luxury or idle downtime, it’s a vital biological process that supports ...

From heart disease to brain aging, poor sleep is tied to serious health risks. Here’s how to improve sleep for long-term ...

It might be worth working a little bit harder to get that much-desired, but often elusive, good night's sleep. Deep sleep clears the mind of waste just as a "dishwasher" cleans dirty plates and ...

Many athletes and professional musicians swear by getting some shut-eye during the day, but what’s the best way to ensure you don’t end up feeling groggy?

You might be tempted to sleep in after a late night—but scientists have found that it’s better for your brain and heart health to stick to your regular schedule. The key to better sleep may not be ...

For a while now, I’ve worn two devices when I go to sleep—an Apple Watch Series 7 on my left wrist, and a WHOOP 5 MG on my right wrist. Every morning, I get three different scores purporting to tell ...