YOU SAID:

I farted during my sleep

INTO JAPANESE

私は私の睡眠中におなら

BACK INTO ENGLISH

I was in my sleep farting

INTO JAPANESE

私は私の睡眠のおなら、

BACK INTO ENGLISH

I fart in my sleep

INTO JAPANESE

私の睡眠の中でおなら

BACK INTO ENGLISH

Farting in my sleep

INTO JAPANESE

私の睡眠でおなら

BACK INTO ENGLISH

Farting in my sleep