i can't take this anymore

Do you have your alarm set? I know this may sound dumb, but whenever I have to set my alarm it takes me atleast a good 3 hours to fall asleep unless I'm completely wasted. Kind of a psychological thing knowing in the back of my head I am going to have to get up early and all that.

Also, are you eating anything before bed? You really don't want anything with caffine, sugar, msg, or loads of other processed crap in it within a couple hours before you go to bed.

Oh and do you just lie there when you can't sleep? I read somewhere where people that just lie in bed when they can't sleep develop a negative image of bed in their mind. So to remedy that they syggested to get out of bed and do something. Like read a boring book or watch some stupid infomercial or something of that nature. really just anyhting to keep a more positive image of sleep in yout mind.

If none of those are the case then I would look into seeing a doctor. Maybe try some sleepy time tea or other aroma things too that can calm you down too.