徐波睡眠じょはすいみん Noun English jmdict 1 noun (common) (futsuumeishi) non-REM sleep See also: ノンレム睡眠 (ノンレムすいみん)
睡眠すいみん Common Noun Noun English jmdict 1 noun (common) (futsuumeishi)nouns which may take the genitive case particle 'no' sleep 睡眠は薬に勝る。 Sleep is better than medicine.