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Cheating Ourselves of Sleep - NYTimes.com
June 18, 2013 at 4:30:46 PM GMT+2 * - permalink -Think you do just fine on five or six hours of shut-eye? Chances are, you are among the many millions who unwittingly shortchange themselves on sleep.
- http://well.blogs.nytimes.com/2013/06/17/cheating-ourselves-of-sleep/?smid=fb-nytimes
