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

由
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？