I been having problem sleeping?

well you see i always think abut my past my past is gone i start a new life but you see went i am trying to forget it my past is trying to hunt me down because i know i am becoming a better person and i was wondering what can i do any advised for sleeping any medicine because i love my life and i want to live happy but hey DO PEOPLE GET UGLY WENT THEY DON;T SLEEP BECAUSE I DON'T KNOW I FEEL LIKE I DO GET UGLY ITS WEIRD I SWEAR ANY ADVISED PLEASE!!!! =]