I cant sleep, help me please..?

I take hot baths, read books and drink tea, and sometimes i even listen to soothing music but i can never get a total relaxation feeling and when i do sleep i feel uncomfortable, sore and i have alot of nightmares, I wakeup feeling more tired then i did when i went to bed.. I used to be a go to bed/get up girl at 10.. whats changed :-S