The night: Why they call it the graveyard shift – health – 02 December 2013 – New Scientist

The night: Why they call it the graveyard shift. Health hazards of not #sleeping now treated like smoking in the ’50s
http://www.newscientist.com/article/mg22029450.700-the-night-why-they-call-it-the-graveyard-shift.html

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