Animals Sleep to Maintain Immune System
Jan Jenson | April 18, 2009
Discover April 2009 ************************* An international team of researchers recently published evidence that sleep may have evolved to protect animals from disease: animals that sleep the longest had six times as many immune cells as those that sleep the shortest. Sleep also allows the brain to reorganize connections between neurons, consolidate memories, and synthesize… http://www.kurzweilai.net/email/newsRedirect.html?newsID=10407&m=49619
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