13 Mar 2023 • According to a recent study, dimming the lights and avoiding devices before night may reduce the incidence of gestational diabetes mellitus in pregnant women. The study, which was published in the American Journal of Obstetrics and Gynecology Maternal Fetal Medicine, looked at 741 pregnant women. According to the findings, women who acquired gestational diabetes mellitus were exposed to more light in the three hours before falling asleep. In comparison to individuals who did not acquire it, they did not differ in their levels of exercise, sleep, or daily light exposure. According to the researchers, pre-sleep light exposure may impact glucose metabolism through sympathetic over-activity, which causes the heart rate to increase before bed when it should decrease. Dr. Minjee Kim, assistant professor of neurology at Northwestern University Feinberg School of Medicine and the study's primary author, stated that the fight or flight response "appears to be inappropriately activated" when it is time to rest. According to Kim's research, light exposure before night may be a poorly understood but easily manageable risk factor for gestational diabetes.

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