I have racing thoughts more or less racing memories.?

I dont get racing thoughts I get more or less racing memories while i try to fall asleep at night i close my eyes and i just get these horrible racing memories there usually bad or embarrassing things that have happened to me throughout my life its really bad..I havent really slept a good honest sleep in a while i usually take sleeping pills to put me out but if i try to fall asleep naturally im plagued by racing memories.