Sleeping With Lights on and Weight Gain in Women Linked in New Study

Sleeping With Lights on and Weight Gain in Women Linked in New Study
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Keeping a lot of light on while you snooze—such as from a television or bright nightlight—has been linked with an increased risk of weight gain and obesity.

Specifically, sleeping with a television or light on in the room was positively associated with gaining five kilograms, or 11 pounds, over a five-year period among women in a new study published in the medical journal JAMA Internal Medicine on Monday.