I'm a university student, i have a big assigment that was due 18 May but ever since i submitted it i can not turn my brain off, i lye in bead try to sleep and i just keep thinking. it's like somehow i have set my brain to overload and it wont shutdown. i have had this for a few days now. anyideas. i tried milk, ice cream, panadol, codeen and intence gym workout nothing seems to work