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Sleeping giants

Research shows that getting enough sleep is a "magic pill"

Updated: April 5, 2012, 5:24 PM ET
By Peter Keating | ESPN The Magazine

TEN YEARS AGO, a Stanford researcher named Cheri Mah, examining how sleep patterns affect students' brains, came across something unexpected. Some of her test subjects happened to be Stanford swimmers, and they told Mah they set personal bests during the part of the experiment when they slept more than usual. Mah knew that many studies had reported how sleep deprivation can lead to declines in physical performance, and she wondered if those findings could be inverted: Does extra ...

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