YOU SAID:

Today I think I will sleep better

INTO JAPANESE

今日私はもっとよく眠ると思う

BACK INTO ENGLISH

I think I will sleep better today

INTO JAPANESE

私は今日よりよく眠ると思います

BACK INTO ENGLISH

I think I will sleep better than today.

INTO JAPANESE

私は今日よりよく眠ると思います。

BACK INTO ENGLISH

I think I will sleep better than today.