A drug that eliminates sleep, without the side-effects of stimulants such as caffeine, Marketed as Provigil, it is currently prescribed only to patients with certain medical disorders; but we all know that the street finds its own uses for things, right?

But would executives pressure their employees to take a pill for the team? Possibly, says Serwer, if they heard that workers at other firms were pulling Provigil-fueled all-nighters. "You would be at a competitive disadvantage if you didn't," he says.

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