YOU SAID:
I want to go to sleep, I am so tired
INTO JAPANESE
私は眠りたいです、私はとても疲れています
BACK INTO ENGLISH
I want to sleep, I am very tired
INTO JAPANESE
私は眠りたい、私は非常に疲れています
BACK INTO ENGLISH
I want to sleep, I am very tired
You've done this before, haven't you.