noun, noun or participle which takes 'suru'
sleeping face down; sleeping on one's stomach
Refers to the act or state of sleeping in a prone position. Can be used as a noun or with する to describe the action.
うつぶせ寝は首に負担がかかることがある。
Sleeping on your stomach can sometimes strain your neck.
赤ちゃんがうつぶせ寝をしている。
The baby is sleeping face down.
Standard kanji-kana mixed spelling.
Variant using 伏せ instead of ぶせ; less common but still seen.
Rarely used kanji form; 俯 is not a jōyō kanji.
Compound of うつぶせ (face down) + 寝 (sleep). うつぶせ is from 打つ伏す (to lie face down).