Posted by: bluesyemre | February 6, 2013

Bright Screens Could Delay Bedtime by Stephani Sutherland

tablet, tablet light, girl holding tablet, melatonin production

  • If you have trouble sleeping, laptop or tablet use at bedtime might be to blame, new research suggests. Mariana Figueiro of the Lighting Research Center at Rensselaer Polytechnic Institute and her team showed that two hours of iPad use at maximum brightness was enough to suppress people’s normal nighttime release of melatonin, a key hormone in the body’s clock, or circadian system. Melatonin tells your body that it is night, helping to make you sleepy. If you delay that signal, Figueiro says, you could delay sleep. Other research indicates that “if you do that chronically, for many years, it can lead to disruption of the circadian system,” sometimes with serious health consequences, she explains.

http://bit.ly/W6Nqwb


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