Thread: E-readers 'damage sleep and health,' doctors warn
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Old 12-24-2014, 06:59 PM   #60
arjaybe
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Join Date: Aug 2013
Location: Okanagan
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It's not the brightness, it's the color. Somewhere about 420 nanometers (can't remember exactly) disrupts your sleep's melatonin cycle. You can sleep, but an important part of it is lost.
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