There's growing concern that the glowing screens of laptops and the iPad may affect sleep if used right before bedtime.STORY HIGHLIGHTS
Some researchers say the iPad and laptops may alter sleep cycles
Light from the devices' screens may affect internal clocks when used at night
No formal research has been done on the subject
But some doctors still recommend leaving gadgets out of the bedroom
Link to article:
http://edition.cnn.com/2010/TECH/05/13/sleep.gadgets.ipad/index.html?hpt=C1
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