Thursday, April 28, 2011

Time to Go to Bed?

Hmmm ... that's why I can't get anything done.
Small areas of the brain go to sleep when we're up too late:
Sleep deprivation is one of the most common forms of mental impairment, as it reduces performance in a variety of cognitive and motor tasks. A new paper has identified what might be the cause of this poor performance: small parts of a mammal's brain appear to go into a sleep-like state while they're otherwise apparently awake. And, in rats, the degree to which the brain is experiencing these tiny episodes of sleep correlates with their decline in performance on a simple task.

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