Screen Use Disrupts Sleep

A number of scientists have been probing into the reaction of retinal cells to artificial illumination. Here’s what they found:In an attempt to discover how the human eye cells perceive ambient lights coming from laptops, smartphones, and tablets, investigators from Salk University found out that the exposure to artificial lighting later at night disrupts the internal circadian rhythms, leading to a set of health problems.

http://thelasttech.com/tech/screen-use-disrupts-sleep/

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