Too Much Sleep, Too Little Sleep...

According to the CDC either lack of sleep or oversleeping is linked to illness. Mike Stobbe of the Associated Press reports:
The research adds weight to a stream of studies that have found obesity and other health problems in those who don't get proper shuteye, said Dr. Ron Kramer, a Colorado physician and a spokesman for the American Academy of Sleep Medicine.

"The data is all coming together that short sleepers and long sleepers don't do so well," Kramer said.

The study is based on door-to-door surveys of 87,000 U.S. adults from 2004 through 2006 conducted by the National Center for Health Statistics, part of the Centers for Disease Control and Prevention…

…Results were similar, though a bit less dramatic, for obesity: About 33 percent of those who slept less than six hours were obese, and 26 percent for those who got nine or more. Normal sleepers were the thinnest group, with obesity at 22 percent.

For alcohol use, those who slept the least were the biggest drinkers. However, alcohol use for those who slept seven to eight hours and those who slept nine hours or more was similar.

In another measure, nearly half of those who slept nine hours or more each night were physically inactive in their leisure time, which was worse even than the lightest sleepers and the proper sleepers. Many of those who sleep nine hours or more may have serious health problems that make exercise difficult.
Well, I guess set your alarm, but not TOO early!
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Wendy - July 9, 2008 8:22 AM

A little science here please? Can anyone tell the difference between *causation* and *correlation*!! This is only a study, not an experiment, therefore you have to be cautious about drawing conclusions.

E.g. If the people who sleep the most or the least have the highest rates of obesity then it is possible that amount of sleep affects body weight. However it is also possible both obesity and the wrong amount of sleep are symptoms of another problem/factor in someone's life. E.g., stress, too much/too little work, eating disorders, emotional/psychiatric issues.

Or possibly the obesity is causing the changes in sleep patterns!

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