Sleep-related technology may be causing harm to those with sleep difficulties, as reported by Racked.

With apps, there’s the issue of blue light, which is emitted by cell phones, laptops, and TVs, and has been proven to screw up your Z’s. Back in 2012, the American Medical Association’s Council on Science and Public Health stated that “exposure to excessive light at night, including extended use of various electronic media, can disrupt sleep or exacerbate sleep disorders.” That same year, researchers from New York’s Rensselaer Polytechnic Institute found that exposure to bright screens at night can reduce levels of melatonin—the hormone that regulates sleep—by 22 percent, which could very well be the reason for all that tossing and turning.

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