Warm milk and a boring book ! =) We could say tons of things here, YOU need to figure why you are having this disorder to fix it ... :)

Sleep is the best cure :)

Alprazolam is the medicine for it. But it is highly addictive and should not be used without a doctor's advice. Try to cure it without the use of medicines, of course you can do it. Make yourself tired the whole day..keep busy all the day for a better night. Maybe you won't get good results the first few days, but be sure, you will succeed in a very short time to overcome insomnia. Good luck.

To have a clear conscience

sleeping pills?