There are 4 stages of sleep: Stage 1, Stage 2, Slow wave sleep, and REM. The stages occur in that order. Stage 1 occurs as you are falling asleep, and REM occurs last and contains the craziest...
There are many ways but I think you should go to the doctor about that. You could possibly(not to freak you out) a sleeping disorder. It can be cured and fixed with time. See your local doctor and...