寝返 ねがえりを
negaerio utsu

Godan Verb (tsu)
Expression

1. to turn over (in one's sleep); to toss and turn (in bed)

クッキーは寝返 ねがえりを った。
kukkiiwa negaerio utta.
Cookie turned over in his sleep.
Godan Verb (tsu)
Expression

2. to change sides; to double-cross; to betray