Close the blinds, draw the curtains and turn off all the lights before bed: Exposure to even moderate ambient lighting during nighttime sleep, compared to sleeping in a dimly lit room, harms your ...

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One night spent sleeping in a moderately lit room, rather than a dimly lit room, can lead to higher heart rate during the night and insulin resistance the next morning, a small study suggests. The ...

Exposure to artificial light at night during sleep is common Sleeping in a moderately light room increases risk for heart disease and diabetes Your heart rate rises, and body can’t rest properly in ...