YOU SAID:

you sleep? i never thought you even sleep

INTO JAPANESE

寝てる？寝てるなんて思ってもみなかったよ

BACK INTO ENGLISH

Are you asleep? I never thought you were asleep.

INTO JAPANESE

寝てるの？寝てるなんて思わなかったよ。

BACK INTO ENGLISH

Are you sleeping? I didn't think you were sleeping.

INTO JAPANESE

寝てるの？寝てるとは思わなかったよ。

BACK INTO ENGLISH

Are you sleeping? I didn't think you were sleeping.