Studies have shown that sleeping under night light may lead to elevated heart rate at night, and a higher glycemic index is a sign of insulin resistance, which may eventually lead to type 2 diabetes; Situation photo. (picture taken from freepik)
[Health Channel/Comprehensive Report]Sleeping with the windows open and falling asleep with the night, seems ordinary but contains risks. People who are exposed to outdoor light while sleeping at night may raise blood sugar and heart rate, increasing the risk of diabetes, the study pointed out. The study was published in the medical journalDiabetology》（Diabetes）。
according to”CNN“Reported that a study of nearly 100,000 Chinese adults showed that sleeping in a room exposed to outdoor artificial light at night may increase the risk of diabetes. People who live in areas with severe nighttime light pollution in China are about 28 percent more likely to develop diabetes than those who live in areas with the least 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 adverse effects of nighttime light on metabolic function and diabetes risk.
Effects of nighttime light on health
Studies have shown associations between artificial light at night and weight gain and obesity, metabolic dysfunction, insulin secretion and the development of diabetes, and cardiovascular risk factors.Gee and her team have published 1Research, investigated the effects of light on sleep in healthy adults in their 20s. During a sleep lab experiment, a night of sleep with dim lights (such as a TV with the sound turned off) 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 early death, while a higher blood sugar index is a sign of insulin resistance, which can eventually lead to type 2 diabetes. Gareth Nye, a senior lecturer in physiology at the University of Chester in the UK, also said that healthy sleep is very important in preventing the development of diabetes.
The method of blocking light given by experts to reduce nighttime light pollution
Gee suggests trying to reduce the amount of light at 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. In addition, pay attention to the light in the bedroom and prohibit the use of any blue light, such as the light emitted by electronic devices such as TVs, smartphones, tablets and laptops, “because blue light is the most irritating visible light”.
If the lights have to be on for safety reasons, she says it’s possible to change the color of the lights, opting for ones with a reddish or brownish tint, and recommends dimming night lights and placing them flush with the floor for reflection, not Hold close to your eyes at bed level.
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