Brain tweak lets sleep-deprived flies stay sharp

Staying awake slows down our brains, scientists have long recognized. Mental performance is at its peak after sleep but inevitably trends downward throughout the day, and sleep deprivation only worsens these effects.

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<p><a href="http://www.physorg.com/news136735967.html">Brain tweak lets sleep-deprived flies stay sharp</a></p> <p>Staying awake slows down our brains, scientists have long recognized. Mental performance is at its peak after sleep but inevitably trends downward throughout the day, and sleep deprivation only worsens these effects.</p>