An in-depth article about melatonin, and how it works as a natural sleep aid, among other key features it provides. There is lots of information about how it works, and what it is, exactly.

This article discusses melatonin and its potential benefits. While it disputes that it won't make you live longer it does seem to help people with occasional insomnia get some sleep. Tips like putting the tablet under your tongue (for better results) are provided as well.