YOU SAID:

Trying hard today, is too much effort so I'll just sleep.

INTO JAPANESE

今日は頑張って努力していますので、寝るだけです。

BACK INTO ENGLISH

I am working hard today, so I just need to go to bed.

INTO JAPANESE

今日は頑張っていますので、就寝する必要があります。

BACK INTO ENGLISH

I am doing my best today, so I need to go to bed.

INTO JAPANESE

今日はベストを尽くしているので、寝る必要があります。

BACK INTO ENGLISH

I am doing my best today, so I need to go to bed.