昼ちゅう夜や逆ぎゃく転てん

noun, noun or participle which takes 'suru'

reversal of day and night; day-night reversal

Describes a lifestyle or condition where one is awake at night and sleeps during the day, often due to shift work, jet lag, or irregular habits. Commonly used with する to indicate the state or action of having one's days and nights reversed.

• 夜や勤きんが続つづいて、すっかり昼ちゅう夜や逆ぎゃく転てんしてしまった。

  After continuous night shifts, my days and nights have completely reversed.

• 昼ちゅう夜や逆