American scientist: Bother the sleep law with the computer before sleeping Or cause insomnia

American scientist: Bother the sleep law with the computer before sleeping Or cause insomnia
Expert, sleep of U.S.A., say computer,etc. can send out bright electronic apparatus of light, will miss the imported brain according to Xinhua News Agency, upset the sleep law. The expert advises people to shut off the computer in two hours before sleeping, in case increase insomnia probability with the computer just before going to bed.
The sleep expert says, according to human body's normal biological clock, the brain usually secretes melatonin from 9 p.m. to 10 time, let people produce the thought of sleeping; And as eyes receive the bright light for a long time, will send a message to the brain: It's time to wake up, the brain stops secreting melatonin.
Using the computer just before going to bed will upset all these. Expert say notebook computer, apple iPad,etc. that electronic apparatus give out to only can let brain miss, it thinks to be still daytime while being on, influence the secretion of melatonin, increase the insomnia risk.
Expert propose, want, sleep heartily, the intersection of computer and user should in shut off the computer at least two hours just before going to bed.
The sleep expert says, it will not influence the sleep to read just before going to bed. Because a good book can let the brain have a rest more than the computer far, reading uses the bedside lamp or desk lamp light not to kick into eyes directly, will not mislead the brain.
In addition, generally, will not upset the sleep law either while watching TV, because the TV in the bedroom keeps certain distance with people, it is not so near as the computer.
It is apt to cause insomnia with the computer just before going to bed this view is opposed by many people.
The mere research project director George and Brainerd of university of Philadelphia Thomas Jefferson says, it is rather important to sleep in the though totally dark environment easy to one night, has not found for the moment that there are connections among iPad and sleep disorder.
Famous scientific and technological information website CNET rich main Chris and Matisses often stare at the notebook computer screen " Last several minutes before sleeping " ," I have not found the bright screen influences my sleep law " .
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