Thursday, April 29, 2010
The iPad backlit display may be to blame, as other hi-tech readers have a duller reflection, more like a real book, says the UCLA report, and exposure to the bright light of the iPad may make it a little harder to get that shut-eye you're seeking.
Sleep researchers say that exposure to the light may inhibit the release of melatonin, which actually helps the body settle into sleep mode.
The iPad, meanwhile, uses a 262,000-color, liquid crystal display (LCD) that must be back-lit because these liquid crystals do not shine on their own. The fact that the iPad operates in full color and is held closer to the user's face than a television may be causing users to experience sleepless spikes when trying to get some rest.
Other devices, such as Kindle and Nook, more closely replicate the design of a regular book, with an ambient light that does not disturb the brain's chemical balance.
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