[header] How to fall asleep when you are worried about not falling asleep [title] Keep a journal. [step] Try thinking about everything that bothers you and putting it on paper every day. Divide your worries into things you have already dealt with and things that you have a plan for dealing with. 
While you write, imagine that you are physically removing all these worries from your mind and placing them on the paper. This will help you put your worries away at the end of the day.