Hello. I have recently started to take Adderall XR for my add. It does its job well in keeping me focused in school and I feel as if it will really help me. I have alot of concerns though.. browsing around on the internet. I've read it can do permanent brain damage over time.. ect. I currently take 25 mg per day and it seems to be the right amount. My main question for now though is about my lack of sleep from taking the medication. The only side effects I seem to be experiencing are the loss of appetite, dry mouth and insomnia. I cannot sleep at all. I am severely exhausted.. and I still cannot manage to fall asleep. I haven't been able to sleep for almost 3 days now.. and I am wondering if there is anything I can do to help me sleep and still take the medication? Thank you :)