I didn't read all the posts but wanted to add that many, if not all, people that take add stimulant based medication feel like they are on speed the first time they take it. The first two weeks I was on adderall as an adult I slept about 23 minutes; after that I slowly went back to normal (though I adjusted the second dose so that it was around noon rather than a few hours later). As I've said on the past, it's worked wonders for myself and my career, but it's certainly not for everyone, and shouldn't be used for anything off label due to the negative impact on your health.
"I have nothing to offer anyone except my own confusion." Jack Kerouac