Sleeping with illuminations on and weight gain in females connected in new study

( CNN) 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.

“There was a 17% chance of gaining the five kilograms — after we adjusted for confounding factors, ” said Dale Sandler, a senior researcher at the National Institute of Environmental Health Sciences in North Carolina and senior author of the study.

In addition, there was a 22% opportunity of becomingoverweight and a 33% chance of becoming obese, she added.

Why your BMI matters

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