As a chronic insomniac, I'm always a little disturbed when I learn about the lingering cognitive effects of a bad night sleep:
In a study at the Walter Reed Army Institute of Research in 2003, for example, scientists examined the cognitive effects of a week of poor sleep, followed by three days of sleeping at least eight hours a night. The scientists found that the "recovery" sleep did not fully reverse declines in performance on a test of reaction times and other psychomotor tasks...
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November 04, 2009 14:53
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