They contain natural melatonin. I put them with some cashews which have tryptophan (which eventually converts to melatonin), magnesium for relaxation, and carbs to keep blood sugar stable overnight. I did a post a couple of days ago. Once I get to sleep, they do seem to keep me asleep a bit longer.

But you need something more heavy duty to address the not wanting to sleep! Check this out

and there are lots of other vids on Havening as well.