TOKYO. A Japanese chain has begun marketing optical glasses to alleviate the negative effects of the use of smartphone or other electronic devices produce about the user before bedtime.
The lens manufacturer Jin said these glasses, which are marketed for 4,900 yen (about 37 euros), eliminate 60 percent short wavelength light given off the screens of smartphones.
exposure to this “blue” light before bedtime reduces the segregation of hormones that help sleep, the company said in a statement. The use of these glasses if the mobile phone is consulted before bedtime reduces by 10 percent the time needed to fall asleep, according to a study of Jin.
These Japanese lenses are designed to “look smart phone or TV while lying down,” he explained the optics, which has made improvements in the temples of the glasses to take them while lying down.
watch TV, check the phone phone or e-mail at night before going to bed can disrupt sleep, according to a study by the National Sleep Foundation in the United States.
Meanwhile, the neurologist Hernando Perez of the Spanish society of Neurology, recently highlighted that be mobile or tablet to bed has negative effects on sleep. “They affect the hormone melatonin, which is controlled depending on the brightness,” he said.
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