Think snoozers are losers? Then why not join the world of the sleep hackers, people who have ditched full nights of shut-eye in favour of microsleeps. Marie Staver is one. She was 19 and worried about fitting in all her college work when she attempted the Uberman sleep schedule (see graphic, right). For the next 6 months, Staver never slept for more than 20 minutes at a time, napping every 4 hours, totalling just 2 hours sleep a day. It's one of a number of sleep schedules that promise to maximise our waking hours. But can messing with sleep to such an extreme be a good idea?
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