I discuss melatonin's effects on sleep & its safety; I segue into the general benefits of sleep and the severely disrupted sleep of the modern Western world, the cost of melatonin use and the benefit (eg. enforcing regular bedtimes), followed by a basic cost-benefit analysis of melatonin concluding that the net profit is large enough to be worth giving it a try barring unusual conditions or very pessimistic safety estimates.
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1Wei Dai
Good point. For example, last night just before going to bed, I was totally absorbed in Eliezer's latest story. But when I woke up this morning, I forgot about wanting to finish the story, and started doing other things. (Eventually I came upon the open tab and finished it.)
BTW, if anyone hasn't read that story yet, you should keep this page handy as a reference, otherwise it's pretty hard to understand.
7gwern
Because I can't stop my compulsive quoting...
"I lay me down and slumber
And every morn revive.
Whose is the night-long breathing
That keeps a man alive?"
-- XIII, More Poems, A.E. Housman (1859 – 1936)
Full essay: http://www.gwern.net/Melatonin