Sleep Cycles: One rapid eye movement (REM) stage and three non-REM stages that altogether last about 90 to 120 minutes Benefits: Physical and mental recuperation and memory consolidation Disorders: ...

REM sleep goes even deeper into brain recovery, dreaming and processing memories and emotions. This is the sleep stage in ...

While the average adult typically needs between seven and nine hours of sleep per night, many of us aren’t getting that much on a regular basis. According to a survey published in 2018 in the academic ...

Updated September 16, 2025 at 5:00 AM EDT This story originally published on Jan. 9, 2024, and has been updated. Sleep has a huge impact on our health. It helps our brains function, protects against ...

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 ...

People struggling with insomnia tend to hyperfocus on the fact that they can't sleep, which can prevent them from getting any shut-eye. Experts share effective practices to overcome sleep stress.

If you’ve been struggling to sleep better, you’re not alone. In fact, for many women, healthy sleep in midlife feels like trying to solve a puzzle where half the pieces are missing, and the ones you ...

A common point of contention among parents is sleep. Beyond the effects of sleep deprivation, post-partum fatigue and arguments over whose turn it is to get up in the middle of the night in those ...

The Ozlo Sleepbuds take the crown as the best overall sleep headphones thanks to their comfortability and functionality. In ...

David Beuther, MD, PhD, isn’t quite sure how to define his presence on social media. He’s online regularly, but he’s not publishing posts or sending friend request. Instead he’s observing, what is ...

Learn facts about sleep, during which the body rests, recuperates and performs essential repairs. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.