Sleeping Without Switching Off Lights Can Lead To Weight Gain, Says New Study – Market News Wire 24
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Sleeping Without Switching Off Lights Can Lead To Weight Gain, Says New Study

Obesity and overweight are two health conditions that have affected a majority of the population around the world mainly because of the damaging lifestyle that people lead nowadays. As if there weren’t enough ways to gain weight unprecedented, recent research has revealed that sleeping with some form of light on, whether it be from a television or a nightlight of average brightness, it can lead to an increase in weight gain which can eventually lead to obesity.

When a person slept with their television on or with a small light in the room, they could gain almost 5 kg in 5 years, according to statistics in the JAMA Internal Medicine journal. When all the confounding factors were taken care of, the chances of the weight gain by 5 kilograms stood at almost 17% with the chances of becoming overweight at 22% and for obese it is 33%. The reason why this study is so significant is because of the fact that obesity has become a nation-wide epidemic, especially in developing countries like the United States and the prevention of it is also equally difficult because of the routine followed these days and the type of diet consumed. At least, once some insight is gained with respect to it, a public message can be issued about not sleeping with the lights on in order to prevent weight gain.

A cohort study was conducted using data of 43,722 women who fell within the age bracket of 35 to 74 and who enrolled in a Sister Study within the year 2003 to 2009. They were divided into four categories—no light, small light in the room, the light outside the room and some source of light present on the outside. The two extremes were taken as women who slept with some kind of lights on as a high exposure level and the ones with nothing on and sleeping in the dark as low exposure level. When the Body Mass Index, which is a good indicator of weight gain, was calculated, it was noticed that the women under the category of high exposure gained weight by almost 5kgs and had a BMI increment of 10%. Though there are a few limitations to this study, it does point out something significant and probably more in-depth studies need to be conducted.

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