May 9, 2019 by Caitlin Flynn
Just as light in the mornings can help jumpstart your internal clock, dialing it back can help prepare your body for sleep. “The key is to allow the body an eight-hour window during which sleep is possible,” Alex Dimitriu, MD, founder of Menlo Park Psychiatry & Sleep Medicine, told POPSUGAR. That means turning off your devices at least eight hours (and ideally more) before your intended wake time, since blue light can disrupt the production of melatonin. “In the absence of such stimulation, people inevitably get sleepy and end up getting more of the sleep they need,” he said.
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