YOU SAID:

I am so tired I just want to sleep forever

INTO JAPANESE

私はとても疲れています。ただ眠りたいだけです

BACK INTO ENGLISH

I am very tired. I just want to sleep

INTO JAPANESE

私はとても疲れている。寝たいだけだ

BACK INTO ENGLISH

I am very tired. I just want to go to bed.

INTO JAPANESE

私はとても疲れている。私はただベッドに行きたい。

BACK INTO ENGLISH

I am very tired. I just want to go to bed.