YOU SAID:
I am going to kill you in your sleep
INTO JAPANESE
私はあなたの睡眠中にあなたを殺すつもりです
BACK INTO ENGLISH
I'm going to kill you during your sleep
INTO JAPANESE
私はあなたの睡眠中にあなたを殺すつもりです
BACK INTO ENGLISH
I'm going to kill you during your sleep
That didn't even make that much sense in English.