http://www.helium.com/knowledge/261950-a-look-at-the-connection-between-sleep-and-life-expectancy.xml Helium.com > Aging & Longevity > A look at the connection between sleep and life expectancy en-us Copyright Helium.com Fri, 28 Aug 2009 01:44:55 GMT Fri, 28 Aug 2009 01:44:55 GMT