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Re:Let Teenagers Sleep In by a1369209993 on Sunday September 23, 2018 @07:45PM (#18054003)
http://slatestarcodex.com/2018/07/10/melatonin-much-more-tha...

Mostly under "2. What is the right dose of melatonin?", but you should probably read the whole thing.

Re:Let Teenagers Sleep In by Teckla on Tuesday September 25, 2018 @01:33PM (#18068496)
Thank you! That was extremely informative.