YOU SAID:
My dog won't let me sleep at night.
INTO JAPANESE
私の犬は夜眠らせてくれない。
BACK INTO ENGLISH
My dog doesn't let me sleep at night.
INTO JAPANESE
私の犬は夜眠らせてくれない。
BACK INTO ENGLISH
My dog doesn't let me sleep at night.
That didn't even make that much sense in English.