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How
Could One Risk of Diabetes By Just 3 Nights of Bad Sleep? Believe it or not, one will raise the risk of diabetes by having just 3 nights of bad sleep! This is because the body’s ability to process glucose is dramatically reduced. A study, conducted by researchers at University of Chicago's medical school, found that suppressing deep sleep for 3 consecutive nights would decrease the glucose tolerance of young, healthy adults as much as if they had gained 8 to 13 kilos of weight. Diabetes is a known risk factor for heart disease and diabetics may also be at risk of many other medical disorders. One should not take this lightly when the ability to process glucose is reduced since this is the likely symptom that one might have already developed diabetes. According to the paper published on January 1, 2008 in the Proceedings of the National Academy of Sciences, even though the body’s ability to process glucose could possibly adjust to chronic sleep deprivation; it is likely that poor sleep patterns in the elderly and obese play a role in the development of diabetes. In fact, previous studies in their laboratories have already demonstrated various links between chronic, partial, sleep deprivation, changes in appetite, metabolic abnormalities, obesity, and risk of diabetes.
In the current study, 9 lean and healthy volunteers aged between 20 and 31 were asked to spend 5 nights in a sleep laboratory where they went to bed at 11 pm and got out of bed at 7:30 am. For the first 2 nights, they were undisturbed. However, on the following 3 nights, speakers near the bed emitted low-level sounds whenever the participants’ brain patterns indicated that they were drifting into deep sleep. Although the sounds were not loud enough to wake these people up, they did reduce deep sleep by about 90 percent by shifting them out of the beginning of deep sleep back into a lighter sleep. This simulated typical sleeping patterns of people over the age of 60 who generally get only 20 minutes of deep sleep a night, as compared to young adults who have between 80 to 100 minutes. The test after having their sleep disturbed showed that insulin sensitivity of these volunteers had actually decreased by 25 percent. This means that they would need more insulin to get rid of the same amount of glucose. Nevertheless, the insulin secretion did not go up in 8 of the participants: they showed a 23 percent increase in blood glucose levels. Reduced amounts of deep sleep are typical of aging and of common obesity-related sleep disorders, therefore, the results from the current study suggested that if health professionals could devise strategies for improving sleep quality and quantity, it is possible to prevent or delay the development of Type-2 diabetes in those people at risk.
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