Dynamite News Pregnancy Care: Dim lights before bedtime can reduce risk of gestational diabetes, says study
Pregnant women should dim the lights in their home and turn off or at least dim their screens a few hours before bedtime to reduce the risk of gestational diabetes. Must read further on Dynamite News:
Washington: Pregnant women should dim the lights in their home and turn off or at least dim their screens (computer monitors and smartphones) a few hours before bedtime to reduce the risk of gestational diabetes mellitus, a new Northwestern Medicine study shows.
Women who developed gestational diabetes mellitus in the multi-site study had greater light exposure in the three hours before sleep onset. They did not differ in their light exposure during daytime or sleep or in their activity levels compared to those who did not develop it.
"Our study suggests that light exposure before bedtime may be an under-recognized yet easily modifiable risk factor of gestational diabetes," said lead study author Dr. Minjee Kim, assistant professor of neurology at Northwestern University Feinberg School of Medicine and a Northwestern Medicine neurologist.
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Growing evidence suggests exposure to light at night before bedtime may be linked to impaired glucose regulation in non-pregnant adults. However, little is known about the effect of evening light exposure during pregnancy on the risk of developing gestational diabetes, a common pregnancy complication with significant health implications for both mother and offspring.
This is believed to be one of the first multi-site studies to examine light exposure before sleep on the risk of developing gestational diabetes. The study was published on March 10 in the American Journal of Obstetrics and Gynecology Maternal Fetal Medicine.
Scientists don't know which source of bright light causes the problem, but it might all add up, Kim said. "Try to reduce whatever light is in your environment in those three hours before you go to bed," Kim said. "It's best not to use your computer or phone during this period. But if you have to use them, keep the screens as dim as possible," Kim said, suggesting people use the night light option and turn off the blue light.
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If pregnant persons develop gestational diabetes with the first pregnancy, they are more likely to have it with the next pregnancy.
Pre-sleep light exposure increases heart rate and may lead to abdominal obesity, insulin resistance, increased blood pressure
Pre-sleep light exposure may affect glucose metabolism through sympathetic overactivity, meaning the heart rate goes up before bed when it should go down. "It seems there is inappropriate activation of the fight or flight response when it is time to rest," Kim said. (with ANI inputs)