Diabetes linked to lack of sleep
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A new study has shown that insulin sensitivity decreases markedly (19-25%) in people who do not get enough sleep the night before. The real importance of this study is that Type 2 diabetes might be slowed in some people if they simply got enough sleep. The human body is a remarkable and finely tuned machine that is amazingly adaptable but also needs certain things to function properly. Sleep is one of those things! Of course, diet and exercise are the primary reasons for most cases of diabetes, but for people who do watch their diet and do get enough exercise, getting enough sleep is a relatively easy way to decrease their chance of getting diabetes. Shoot for 7-9 hours if you are and adult and more for children.
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Type 2 diabetes is caused by the body’s inability to adequately use insulin, a hormone produced by the pancreas, to control glucose sugar produced from food. Sugar levels rise and can damage the eyes, kidneys, nerves, heart and major arteries.
The disease, linked to poor diet and lack of exercise, is reaching epidemic levels. An estimated 180 million people now suffer from diabetes around the world.
Previous studies have found that several nights of poor sleep can result in impaired use of insulin, but Donga said this was the first study to examine the effects of only a single bad night’s sleep.
The Dutch scientists examined nine healthy people — once after a night of eight hours sleep and once after a night of just four hours.
The findings, published in the Journal of Clinical Endocrinology & Metabolism (JCEM), showed that partial sleep restriction during a single night reduced some types of insulin sensitivity by 19 to 25 percent.
“Our data indicate that insulin sensitivity is not fixed in healthy (people), but depends on the duration of sleep in the preceding night,” Donga wrote in the study.
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