I don't know what's wrong with me. I'll wake up at night sometimes and then I just get so paranoid. If the door is open, I get obsessed with the thought that someone or something will come in to hurt me. If it's dark, I can't walk across the room to shut the door because I can't stop thinking that someone is under my bed ready to reach out and grab me and do God knows what to me. I just get so scared at night, and I don't understand why. I'm spending more time awake at night and it's hurting my grades, plus I don't feel quite alert enough to drive, but I have to. I don't want to fail any more classes and I don't want to wreck the car, I need sleep... How can I get more sleep?