YOU SAID:

i should go to bed but i am stupid

INTO JAPANESE

私は寝るべきだが、私は愚かだ

BACK INTO ENGLISH

I should sleep, but I'm stupid

INTO JAPANESE

寝たほうがいいけどバカだよ

BACK INTO ENGLISH

You should go to bed, but you're stupid.

INTO JAPANESE

寝たほうがいいが、バカだ。

BACK INTO ENGLISH

You'd better go to bed, you idiot.

INTO JAPANESE

寝たほうがいいよバカ

BACK INTO ENGLISH

You'd better go to bed, you idiot.