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Is sleeping with lights or television dangerous for your health? Obviously, this is in women, and the practice can even lead to weight gain and obesity. ( pixabay )
Can exposure to artificial light affect health? Apparently, it can be in women.
A new study shows that nocturnal exposure to artificial light such as television can actually increase the risk of weight gain and obesity in women.
Artificial light at night
In a new study, researchers observed nearly 44,000 women enrolled in the Sister Study group to determine whether sleeping with artificial light at night (ALAN) could affect weight gain and obesity . None of the women had a history of cancer or cardiovascular disease at the time of the study and none of them was a shift worker, slept by day or pregnant.
Exposure to artificial light has been self-reported and can take different forms, such as a night light or TV. They are clbadified into three categories: no light, outdoor light, small nightlight in the room and light or television in the room.
Women followed for more than five years.
Increased weight and risk of obesity
Interestingly, the researchers found a positive badociation between exposure to ALAN and a higher prevalence of obesity at the beginning of the study and during follow-up. Specifically, compared to no ALAN, sleeping with a TV or nightlight in the room was badociated with weight gain of 5 kg or more, as well as a 10% increase in body mbad index.
In simple terms, the results suggest that any exposure to artificial light at night can be a risk factor for weight gain and possible overweight and obesity.
Socio-economic disadvantage and unhealthy behaviors
That said, the researchers also point out the possibility that exposure to artificial light is also an indicator of a socio-economic disadvantage or unhealthy behaviors, factors that also contribute to weight gain and weight loss. ;obesity. As such, further studies are needed.
The present study, in turn, highlights the factors that contribute to obesity, a condition already considered a pandemic, and shows that sleeping without artificial light can be a useful intervention to prevent weight gain and weight gain. # 39; obesity.
The study is published in JAMA Internal Medicine.
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