For me, the ability to force myself to go to bed is by far the most important claim made in this post.
I've long had trouble going to sleep, and it's not an issue of refusing to go to bed, but rather, that I can't seem to just fall asleep like everyone else. My mind just won't shut down. OTC sleeping pills don't work on me: all they do is make me really drowsy but just as unable to fall asleep, which is a sucky feeling.
Recently, I started going on a prescription medication that works like a charm, in that predictably makes me sleepy, and actually fall asleep, and, on occasion, lets me wake up refreshed in the morning. However, it's relatively expensive, ...
Full essay: http://www.gwern.net/Melatonin