Reading on Light-emitting Device before going to Bed Not a Good habit

December 27, 2014 11:54 AM

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Reading on Light-emitting Device before going to Bed Not a Good habit

People who read on a light-emitting device before going to bed take 10 minutes longer on average to fall asleep compared to those reading a printed book. This is what a new research co-authored by Penn State biobehavioral health professor Anne-Marie Chang has claimed.

Level of alertness is also low for users in the following morning. "When you are reading on a light-emitting device, you are directly staring at the light source, whereas if you are reading using a bedside lamp for example, the light that you are receiving is a lot less intense", explained Chang.

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