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Study: Type 2 diabetes can develop from lack of deep sleep

Posted Jan 01, 2008 at 06:49AM by Jay P. Listed in: Self Well-being Tags: Diabetes, University of Chicago
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Study: Type 2 diabetes can develop from lack of sleep - Image 1  


Researchers at the University of Chicago Medical Center reported that the suppression of slow-wave sleep had effects on healthy young adults because of their decreased ability to regulate blood-sugar, increasing the risk of getting type 2 diabetes. Their findings were published in the "Early Edition" of the Proceedings of the National Academy of Science.

This slow-wave sleep is also known as deep sleep, a stage thought to be the most restorative of all the sleep stages. If the deep sleep process is not experienced, insulin sensitivity levels go down. Insulin is needed to dispose glucose out of the body's system.

The researchers studied nine healthy volunteers, five men and four women, with ages ranging from 20 to 31. For two days, the subjects slept at 11 p.m. and woke up at 8:30 am the following day. These subjects slept undisturbed for those days. Then for three following days, the subjects still followed the same routine as they did in their previous days but this time sounds were played while they were into their slow-wave sleep. These sounds were loud enough to disrupt their sleep but not so much as to cause them a full awakening.

With the end of each study day, the researches administered intravenous glucose to the subjects. After this, blood samples were taken on a regular basis from the subjects to measure the levels of glucose and insulin. They found out that there was a 23% increase in blood-glucose levels because the levels of insulin were low.

Eve Van Cauter, PhD, professor of medicine at the University of Chicago and senior author of the study, said that,

Previous studies from our lab have demonstrated many connections between chronic, partial, sleep deprivation, changes in appetite, metabolic abnormalities, obesity, and diabetes risk. These results solidify those links and add a new wrinkle, the role of poor sleep quality, which is also associated with aging.


If you want to find out more details about the study done, simply follow the source link below.

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