Phases of sleep 1. NREMS( non rapid eye movement sleep,非快动眼睡眠) sWs( slow wave sleep,慢波睡眠) Stages1-4(入睡期、浅睡期、中度睡眠期、深度睡眠期) Characterists. Play roles in eliminating the fatigue and promote growth night-waking(夜惊), sleep-walking(梦游, somnambu|ism) occur in stage 3 and 4 y shorten stage 3 and 4 will clean up night-waking and sleep-walking 1010 ➢ Play roles in eliminating the fatigue and promote growth ➢ night-waking（夜惊）, sleep-walking（梦游, somnambulism） occur in stage 3 and 4 SWS ( slow wave sleep，慢波睡眠) ➢ shorten stage 3 and 4 will clean up night-waking and sleep-walking. Characterists: Stages 1- 4 (入睡期、浅睡期、中度睡眠期、深度睡眠期) 1. NREMS (non rapid eye movement sleep, 非快动眼睡眠) Phases of sleep