News Desk: Many people have a habit of sleeping at night or in the dark by lighting a lamp. But this bad habit can cover life with serious risks. This is exactly the indication found in a new study. A study from the Feinberg School of Medicine at Northwestern University in Chicago has warned people to sleep by lighting a lamp. According to Medical News Today, experts have studied the relationship between sleep and health in the presence of light. It shows that sleeping in the presence of light increases the risk of obesity, diabetes and high blood pressure. Research team member said. “We live in artificial sources of plenty of light,” said Minji Kim. Which is available 24 hours a day. These include smartphones, TVs and lights from common light pollution in big cities. According to Medical News Today, this special study examined the negative effects of light on adults. Previous studies have shown that not sleeping in the dark has the same effect on people of all ages. Dr. Kim explained that the study found heart rate and blood glucose in young and healthy adults who were tested for sleep.