As we sleep, our brain moves through four stages and two phases: non-rapid eye movement (NREM) and rapid eye movement (REM). The brain has four stages within the NREM phase. Each stage and phase of ...

Have you ever wondered what actually happens in the brain during sleep? While your body appears still and at rest, your brain remains highly active, carrying out essential processes that keep you ...

Have you ever slept for a full eight hours but still felt completely exhausted? You might not be getting enough of the right types of sleep. Today, many people use smart watches or rings to track ...

The risk of getting dementia may go up as you get older if you don't get enough slow-wave sleep. Over-60s are 27 percent more likely to develop dementia if they lose just 1 percent of this deep sleep ...

REM stands for Rapid Eye Movement and it’s seen as the deepest stage of the sleep cycle. As the name states, REM sleep is ...

A quick nap with deep N2 sleep could unlock hidden insights, as scientists find brainwave patterns during sleep best predict those breakthrough moments. Study: N2 sleep promotes the occurrence of ‘aha ...