Sleeping with lights on may increase risk for obesity in women, study suggests

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Sleeping with lights on may increase risk for obesity in women, study suggests

The New York Times (6/10, Bakalar) reports a study that “prospectively followed 43,722 generally healthy women, average age 55, for an average of six years” indicates that “sleeping with the lights on may increase the risk for obesity.” The findings were published in JAMA Internal Medicine.

Reuters (6/10, Rapaport) reports “at the start of the study, women were typically overweight but not yet obese, according to their body mass index (BMI),” but “after almost six years of follow-up, women who slept with a television or light on in the room were 22 percent more likely to be overweight and 33 percent more likely to be obese than women who slept in total darkness without even a nightlight or the glow from an alarm clock.”

AMA morning Rounds 6/11/2019