睡眠 すいみん遮断 しゃだんではありませんでした
suiminshadandewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 睡眠遮断

1. Was not sleep deprivation.; Was not a sleep interruption.

Past/Perfective
Negative
Polite
Formal Register
Medicine