YOU SAID:

it's bed o'clock you best be sleeping

INTO JAPANESE

あなたが一番寝ているのは寝る時です

BACK INTO ENGLISH

You are the most sleeping time when you go to bed.

INTO JAPANESE

あなたは寝るときに最も眠っている時間です。

BACK INTO ENGLISH

You are the most sleeping time when you go to bed.