If you have access to a powdered supplement called Natural Calm, I SWEAR by it. It's a magnesium supplement. Puts me out in 30 minutes, and I sleep heavily through the night. If something does wake me (a noise, husband moving in bed, kid crawling in), I go right back to sleep.

If you get it, take the directions seriously. If you try to jump to recommended dose from the outset, you'll have stomach cramps & the runs all the next day.