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Washington Post article about modafinil, a new drug that kills the urge to sleep. (Personally, I love sleeping.)
In trials on healthy people like Army helicopter pilots, modafinil has allowed humans to stay up safely for almost two days while remaining practically as focused, alert, and capable of dealing with complex problems as the well-rested. Then, after a good eight hours' sleep, they can get up and do it again -- for another 40 hours, before finally catching up on their sleep.Link Discuss (Thanks, Kevin!)