Everything you need to know about REM sleep, including what it is and how much you need ...

HOUSTON — A good night’s sleep is important for both the body and brain. It’s essential to understand the four stages of sleep and how to get more restful z’s. Stage 1: Transitional sleep The sleep ...

Deep sleep earlier in life could be the key to keeping healthy cognition. The key to keeping your wits about you as you age may lie in shut-eye during midlife. A study found that people over 60 who ...

Results from Sleep Number’s first study accepted for publication demonstrate potential for the 360 smart bed to detect sleep stages in real-time, which could help guide intervention for certain sleep ...

The risk of getting dementia may go up as you get older if you don't get enough slow-wave sleep. A 2023 study found that over-60s are 27 percent more likely to develop dementia if they lose just 1 ...

Stages of sleep explained in clear terms, showing how sleep unfolds through the night and why order, timing, and consistency ...

Many people clock a full night's sleep yet wake up exhausted. In a detailed conversation with an expert, we unpack why 8 ...

The key to keeping your wits about you as you age may lie in shut-eye during midlife. A study found that people over 60 who didn’t get enough slow-wave sleep — the third stage in the human sleep cycle ...