YOU SAID:

until i erase my memories of everything until today,i wont be able to sleep.

INTO JAPANESE

今日までの記憶を全部消すまでは眠れない。

BACK INTO ENGLISH

I can't sleep until I erase all the memories up to today.

INTO JAPANESE

今日までの記憶を全部消すまでは眠れない。

BACK INTO ENGLISH

I can't sleep until I erase all the memories up to today.