When it comes to rest, people tend to think about it in terms of being awake or asleep. However, understanding your sleep stages and cycles is extremely important, as it can give you an in depth ...

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 ...

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 refers to slow-wave sleep — a stage in the sleep cycle when brain waves slow down. Getting enough deep sleep is crucial for numerous bodily functions. But how to increase deep sleep isn’t ...

Valerie Cacho, MD, is a board-certified sleep medicine specialist and the founder of the online educational company Sleephoria. Make sure you follow a consistent sleep schedule to help regulate your ...

Let's talk about one of the most confusing terms you’ll see on your fitness tracker—specifically your Apple Watch. Next to REM sleep, which you’ve probably heard of, and “deep” sleep, which feels self ...

A new study reveals that not getting enough of specific stages in the sleep cycle may be linked to cognitive decline and potentially may lead to Alzheimer's disease. Researchers from the Yale School ...

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 ...