Studies have shown that sleeping under a night light can lead to an elevated heart rate at night, and a higher glycemic index is a sign of insulin resistance, which can ultimately lead to type 2 diabetes; Photos of the situation. (photo taken from freepik)
[Health Channel/Comprehensive Report]Sleeping with the windows open and falling asleep during the night seems ordinary but contains risks. People who are exposed to outside light while sleeping at night can raise blood sugar and heart rate, increasing their risk of diabetes, the study pointed out. The study was published in the medical journalDiabetes》（Diabetes）。
according to”Cnnreported that a study of nearly 100,000 Chinese adults showed that sleeping in a room exposed to outdoor artificial light at night can increase the risk of diabetes. People living in areas with severe light pollution at night in China are about 28 percent more likely to develop diabetes than those living in areas with minimal pollution.
Phyllis Zee, director of the Center for Circadian Rhythm and Sleep Medicine at Northwestern University School of Medicine in Chicago, said the study confirms previous research on the potential negative effects of night light on metabolic function and diabetes risk.
Effects of night light on health
Studies have shown associations between artificial night light and weight gain and obesity, metabolic dysfunction, insulin secretion and the development of diabetes, and cardiovascular risk factors. Gee and his team published 1Researchstudied the effects of light on sleep in healthy 20-year-old adults. During a sleep lab experiment, a night of sleep with dim lights (like a muted TV) increased blood sugar and heart rate.
Previous research has also shown that an elevated heart rate at night is a risk factor for future heart disease and premature death, while a higher blood sugar index is a sign of insulin resistance, which can ultimately lead to diabetes. type 2. Gareth Nye, professor of physiology at the University of Chester in the UK, also said that healthy sleep is very important in preventing the development of diabetes.
The light blocking method provided by experts to reduce light pollution at night
Gee suggests trying to reduce the amount of light during the night, such as by placing the bed away from the window and drawing the curtains to block out the light. If you still feel the light, you can try wearing an eye mask to protect your eyes. Also, pay attention to the light in the bedroom and ban the use of any blue light, such as that emitted by electronic devices such as TVs, smartphones, tablets and laptops, «because blue light is the most annoying visible light».
If the lights must be on for safety, he says it’s possible to change the color of the lights, opting for those with a reddish or brownish tinge, and advises dimming the lights at night and placing them flush with the floor to reflect rather than keep close in your eyes at bed level.
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