Try Melatonin. It is a herbal supplement that comes in 3mg, 5mg, and 10mg. The best place to get it is:

http://www.puritan.com/melatonin-542...=1&sortOrder=2

You buy 2, and get 3 bottles free. Shipping is $4.95 and you get it in 2-3 days by fedex or ups. It really helps me to sleep through the night. Hope this helps