( tection from neural insult during child...)Sleep Problems in Overweight Children Appear Fairly Common,Health

tection from neural insult during childhood."

Dr. Davis likens the possible increase in sleep-disordered breathing in children, which includes sleep apnea and less severe problems, to the increasing incidence of lifestyle-related type 2 diabetes. "Nobody used to think type 2 diabetes happened in kids either," says Dr. Davis who studies the impact of exercise on the risk of the disease in children. "We thought type 2 diabetes was something you got at maybe 50, not 15. It has become a major media sensation because it is so shocking."

When Georgia researchers first gave the Pediatric Sleep Questionnaire, which looks at symptoms of sleep disordered breathing – such as snoring, loud breathing and daytime inattentiveness – they were surprised as well by how many children tested positive.

The questionnaire, given to parents, has been shown to provide results similar to those of polysomnography, a monitoring of physiological activities such as breathing during sleep. "We asked parents about caffeine intake, medications, usual bed and wake times to see if the children are chronically sleep-deprived, asked if they had a tonsillectomy because that usually fixes sleep apnea in children," Dr. Davis says.

Interestingly sleepiness was not an issue because children instead tend to display attention deficit/hyperactivity disorder-type behavior when they don't get enough sleep, she says. Caffeine intake also may have played a role in subverting sleepiness, the researchers say.

Also, the body mass index, based on height, weight, age and sex, did not improve as children exercised and became asymptomatic. However the growing children got fitter, built muscle and lost fat, Dr. Davis says. "It affects their fatness, their fitness, their cardiovascular risk factors, it's just their weight doesn't go down without a change in diet, just like adults," she says. Adult studies have shown a similar relationship between obesity and slee
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