YOU SAID:
I can not sleep tonight, I don't know why
INTO JAPANESE
私は今夜眠ることができない、私は理由がわからない
BACK INTO ENGLISH
I can't sleep tonight, I don't know why
INTO JAPANESE
今夜は眠れない、なぜか分からない
BACK INTO ENGLISH
I can't sleep tonight, I don't know why
Come on, you can do better than that.