YOU SAID:

It's 2 in the morning and I absolutely need to sleep.

INTO JAPANESE

午前2時なので絶対に眠る必要があります。

BACK INTO ENGLISH

I have to sleep absolutely because it is 2 am.

INTO JAPANESE

午前2時なので絶対に眠らなければなりません。

BACK INTO ENGLISH

I have to sleep absolutely because it is 2 am.