Hiya, I've been on low doses of Seroquel/quetiapine for insomnia in the past (my body hated that medication, but it did knock me out every night without fail), but melatonin can also work very well for insomnia. I know some people that swear by it to help with their sleep problems, and while I had a weird reaction to it, my body doesn't seem to like much in the way of medications so my experience shouldn't be taken as an example of how you might react. It is, after all, something that's already found in the body naturally, so it can have some very positive effects.