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  1. #1 Late Night iPad Reading Could Keep You Up at Night 
    Late Night iPad Reading Could Keep You Up at Night
    by Caleb Johnson — Apr 27th 2010 at 9:20AM

    The iPad could be causing restless nights for many who use it to read e-books before lights out. According to the Los Angeles Times, the light that's emitted from the iPad's screen inhibits the release of melatonin, a chemical that tells your body to wind down for the evening. This holds true for any device that emits unnatural light -- be it a TV or a cell phone. But Frisca Yan-Go, director of the UCLA Sleep Disorders Center in Santa Monica, told the Times that the iPad has a greater effect on preventing the release of melatonin in the body because users hold it so close to their faces. The same, then, goes for cell phones and other gadgets with screens. Thus, watching reruns of 'Family Guy' on the couch is less likely to keep you up than reading a John Girsham iBook under the covers, because of your eyes' proximity to the light's source.

    But you don't have to give up your e-books. The Kindle and Nook can be used at night with little or no effect on melatonin secretion, Yan-Go says. That's because these devices use e-ink, which doesn't emit light. It also means you can use a Kindle or Nook, unlike the iPad, in direct sunlight -- a crucial fact as summer rears its head. By no means do we think this discovery will cause Apple to lose ground in the e-book market. More than likely, it just means iPad users will look more sleep deprived during the morning commute. [From: The Los Angeles Times]
    Interesting. If true, this would be a factor I would think about before purchasing one of these devices.

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  2. #2  
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    I thought the iPad contributed to sleep disorders because Apple fanboys can't shut up about how awesome the iPad is long enough to let anyone go to sleep. :D Looks like my theory has been disproved.
    "In England a king hath little more to do than to make war and give away places; which in plain terms, is to impoverish the nation and set it together by the ears. A pretty business indeed for a man to be allowed eight hundred thousand sterling a year for, and worshipped into the bargain! Of more worth is one honest man to society and in the sight of God, than all the crowned ruffians that ever lived."
    —Thomas Paine, Common Sense
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