What is REM sleep?
REM stands for rapid eye movement but a great deal happens during REM sleep other than our eyes darting backwards and forwards in fast succession. To fully understand REM sleep, it’s useful to understand the whole sleep cycle. Types Of Sleep There are two types of sleep: REM sleep and non-REM sleep. Non-REM sleep is divided into three stages: stage 1 (non-REM1, aka N1) or light sleep; stage 2 (N2) or moderate sleep; and stage 3 (N3) or deep sleep or…