sleep 2022.12.06 sleepとは 意味・定義・例文 Noun 名詞 1. the state of sleeping 寝ること, 眠ること, 睡眠 How much sleep do children need? Verb 動詞 1. rest your mind and body with your eyes closed in bed, usually at night 寝る, 眠る Let's go to sleep.