Cant Fall Asleep

help.....i cant fall asleep! although its 1am....still early for me. but i really need to get my ass to sleep as i got a very important job tomorrow!!! my first time ever going astro alone for a chinese programme 'go go trendy' make up...i knoe its not my first time doing make up for this show. but tis is the first time im going alone to hande everything. i knoe i can do it...but...but..juz too much pressure! :( how!?!!!!!!!!! i wanna sleep!!!!!!!!!!!!!!!!!!