昼夜 ちゅうや逆転 ぎゃくてんではありません
chūyagyakutendewārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 昼夜逆転

1. It is not a reversal of day and night.; It is not a circadian rhythm disruption.

Negative
Polite
Formal Register