Close the Blinds During Sleep To Protect Your Health
- 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 light bedroom at night
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 cardiovascular function during sleep and increases your insulin resistance the following morning, reports a new Northwestern Medicine study.
“The results from this study demonstrate that just a single night of exposure to moderate room lighting during sleep can impair glucose and cardiovascular regulation, which are risk factors for heart disease, diabetes, and metabolic syndrome,” said senior study author Dr. Phyllis Zee, chief of sleep medicine at (function(d, s, id){
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