YOU SAID:
I think I'm gonna go to sleep
INTO JAPANESE
私はつもりはスリープ状態に入ると思います
BACK INTO ENGLISH
I gonna think I go to sleep
INTO JAPANESE
私はつもり私がスリープ状態に入ると思います
BACK INTO ENGLISH
I think I'm going I go to sleep
INTO JAPANESE
私はスリープ状態に入るつもりだと思います
BACK INTO ENGLISH
I think I'm going to go to sleep
INTO JAPANESE
私はスリープ状態にするつもりだと思います
BACK INTO ENGLISH
I think I'm going to sleep
INTO JAPANESE
私は寝るつもりだと思います
BACK INTO ENGLISH
I think I'm going to sleep
That didn't even make that much sense in English.