Chinese

		sleep	insufficient; inadequate
simp. and trad. (睡眠不足)		睡眠	不足

Noun

睡眠不足

1. lack of sleep; inadequate sleep

Japanese

Noun

睡眠不足 ‎(hiragana すいみんぶそく, romaji suimin busoku)

1. shortage of sleep

Korean

Noun

睡眠不足 • ‎(sumyeonbujok) ‎(hangeul 수면부족)

1. Hanja form^? of 수면부족, “shortage of sleep”.