YOU SAID:

I need to go to bed, so I can work tomorrow

INTO JAPANESE

私は寝なければならないので、明日働くことができる

BACK INTO ENGLISH

I have to go to bed, so I can work tomorrow.

INTO JAPANESE

私は寝なければならないので、明日は働ける。

BACK INTO ENGLISH

I have to go to bed, so I can work tomorrow.