Released: 3/6/2013 1:00 PM EST
Embargo expired:
Source Newsroom: Perelman School of Medicine at the University of Pennsylvania
Embargo expired:
Source Newsroom: Perelman School of Medicine at the University of Pennsylvania
EMBARGOED FOR RELEASE:
March 7, 2013, 12:00pm ET
Newswise — PHILADELPHIA – It happens to everyone: You stay up late one night to finish an assignment, and the next day, you’re exhausted. Humans aren’t unique in that; all animals need sleep, and if they don’t get it, they must make it up.
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