Stage W sleep - Awake- Alpha and Beta waves, Stage N1 sleep - Drowsy sleep characterized by myoclonic jerks, Stage N2 sleep - No longer consciously aware of environment, Stage N3 sleep - Deepest sleep- delta waves present, REM sleep - Sleep stage in which dreaming takes place,

Stages of sleep

排行榜

視覺風格

選項

切換範本

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