How Smartphones Hurt Sleep

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How smartphones hurt sleep

Smartphones and tablets disrupt sleep, in part, because they emit what’s known as “blue” light. This light is picked up by special cells behind our eyeballs, and it communicates to the brain that it’s morning. Red light, meanwhile, signals that it’s time to go to sleep .. Smartphone use is associated with worse quality of sleep in adults, according to a study, especially when they put in screen time just before bed..The surveys asked about their smartphone use for work, sleep quality and quantity, workplace engagement and feelings of depletion. Surveys were administered at a.m. every morning to determine smartphone use for work the night before, sleep and feelings of depletion in the morning , and p.m. every afternoon to gauge work engagement that day ..The more time we spend with screens, the more important it is to ask do smartphones hurt sleep? Cell Phones Suppress Melatonin . Melatonin is the natural hormone your brain creates to control your sleep cycles. Your body clock and the light you’re exposed to determines how . Smartphones and tablets disrupt sleep, in part, because they emit what’s known as “blue” light. This light is picked up by special cells behind our eyeballs, and it communicates to the brain that it’s morning. Red light, meanwhile, signals that it’s time to go to sleep . This video from Everyday Chemistry has a good explanation of how that works . UC Irvine ophthalmologist Dr. Andrew Smith agrees. The blue light can decrease melatonin, which is the hormone that regulates the sleep wake cycle. “The ultimate source of blue light in our life is the sun, so if you’re out in the day, you’re awake then it .Alejandro Peters Flickr. The answer to the question “How’d you sleep?” has, for most of human history, been “not too well.” Even before the advent of electric light, people slept two or three to a bed, next to a chamber pot, and with a warmth giving yet high maintenance fire threatening to burn out a .

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