"sleep onset followed by only 7-10 min of sleep can result in a substantial increase of alertness" http://www.ncbi.nlm.nih.gov/pubmed/21075238
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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So good! “
@paulbaumgart: Simple Science Fitness: http://simplesciencefitness.com/ ”Thanks. Twitter will use this to make your timeline better. UndoUndo
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