Rem sleep: Stage 2 of Non-REM sleep

Stage 2 of Non-REM sleep involves the highest percentage of total sleep and is considered a lighter sleep stage from which you awake easily. Stage 3 of Non-REM sleep is known as slow-wave sleep , deepest sleep , regenerative state, or delta sleep . Several significant health-promoting functions take place in this third stage of Non-REM sleep . REM sleep is a stage of your sleep cycle when you dream and your brain processes emotional memories. Learn how much REM sleep you need, why it's essential for your health, and how to get more of it. A typical sleep cycle lasts about 90 to 110 minutes, consisting of different stages: non- REM sleep stages 1, 2, 3, and the REM (Rapid Eye Movement) stage. Most adults experience 4 to 6 of these cycles per night. During non-REM sleep , your brain is not as active. And in the deeper stages of non-REM sleep , your breathing slows down, and your blood pressure drops. After you fall asleep, non-REM sleep comes ...