You’ve heard of REM sleep but what about deep sleep? Experts share why it’s important and how to make sure you’re getting enough of it.

There are many reasons for picking up one of the best Fitbits, and for a lot of people those reasons include being able to track their sleep. Strap a Fitbit smartwatch or tracker to your wrist and ...

A deep, undisturbed sleep should be the norm, but modern lifestyle is taking a toll on the sleep cycle. Research says that maintaining a consistent sleep schedule is responsible for proper heart and ...

Deep sleep is one of the most essential stages of the sleep cycle, playing a vital role in how well you feel both physically and mentally. Often referred to as slow-wave sleep or delta sleep, this ...

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 ...

Share on Pinterest Research has found that deep sleep is crucial for the formation of memories. Amor Burakova/Stocksy Getting enough sleep is an important part of a person’s overall health. Poor sleep ...

Two particular phases in your nightly routine seem to play outsize roles in cognitive health. By Mohana Ravindranath A good night’s sleep isn’t just about the number of hours you log. Getting quality ...

"I can’t fall asleep without a glass of wine." Can you relate? As a sober therapist who quit alcohol after drinking to fall asleep for over a decade, I completely understand. Worrying about lost sleep ...

Immune cells rush to the brain and promote deep sleep after a heart attack, according to a new study involving both mice and humans. This heavy slumber helps recovery by easing inflammation in the ...

Traveling, whether for business or pleasure, is an important part of on-the-go lifestyles, but it can take its toll on your quality of rest—especially when your body has to adjust to a different time ...

The internet claims waking at the end of a sleep cycle will leave you refreshed, but experts aren’t convinced. By Clarissa Brincat Published Sep 9, 2025 9:00 AM EDT ...