#25 Stupid Perfect World by Scott Westerfeld

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As far as I can tell this is a stand alone novella set in the far future of earth with teleportation, perfect health and no need for sleep. teens take a class on called "Scarcity" and each has to live for two weeks giving up something that people in the past had to contend with. The POV character chooses sleep, another has her hormone balances turned off, another decides to suffer the common cold and so on. Kiernan has chosen sleep but needs help with it since he did no background study on it and another classmate that chose to let her hormones run wild helps him with the project.  With hormones running wild, poor choices abound  but it all comes out ok by the end of the story.  Once I finished it I wanted to read more about the world setup but not necessarily these characters.