昼夜で始まる言葉

ちゅうや【昼夜】

昼夜兼行で働くwork 「day and night [around the clock]昼夜交代で働くwork in night and day shifts負傷兵は一昼夜意識がなかったThe...

ちゅうやぎゃくてん【昼夜逆転】

reverse in normal sleeping patterns; staying awake at night and sleeping during the day