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Re:Trouble sleeping? Maybe it's your iPad by semipermeable on Monday October 25, 2010 @09:38PM (#1832533)
There's an interesting TED Talk about sleep cycles, and the impact of sleep on waking alertness.

http://www.ted.com/talks/jessa_gamble_how_to_sleep.html

Re:Trouble sleeping? Maybe it's your iPad by DTrejo on Monday October 25, 2010 @10:13PM (#1832607)
I watched this the other day and wished that her talk was WAY longer.