安眠 あんみん妨害 ぼうがいではありませんでした
ammin bōgaidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 安眠妨害

1. Was not sleep disturbance.; Was not a disturbance of sleep.

Past/Perfective
Negative
Polite
Formal Register