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From Polyphasic Sleep Wiki
Translations:Scheduling overview/3/en (view source)
Revision as of 09:30, 30 December 2020
, 3 years agoImporting a new version from external source
[[Wikipedia: Neuroscience of sleep |Sleep]] is a complex phenomenon that causes physiological changes all over the body. However, it mainly affects the brain. According to the electrical activities in the brain, sleep is divided into [[Wikipedia:Rapid eye movement sleep |rapid-eye movement]] (REM) and non-REM (NREM) stages. NREM sleep is further divided into three stages according to the frequency and amplitude of brainwaves.
