According to a recent survey by the National Sleep Foundation, up to 95% of Americans are exposed to about one hours of digital products before bedtime, including television, mobile phones, computers, gaming consoles and so on. But in fact, these gadgets can have a negative effect on people's sleep, resulting in inadequate sleep time and poor sleep. Dr. Charles Czeisler, a professor of medicine at Harvard University, says that digital products generally have a glowing screen, and that the intense exposure to light before bedtime can increase alertness and inhibit the release of melatonin, making it difficult to sleep. This may have serious consequences for the health, cognitive development and well-being of the younger generation, including high blood pressure and diabetes. In addition, a study last year by the University of Haifa showed that nighttime light increases the risk of cancer. Before going to bed with the iphone or the ipad playing for a while to sleep, has become the current digital tide people's life habits, but this kind of life habits, it is bad habits of life. After reading this report, everyone before going to bed, or away from electronic products, holding a real book quietly see Sleep or the most real natural life. (Edit/Xu Mingming)
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