Children with Sleep Related Behavioural Problems

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Children with sleep-related breathing problems (such as snoring or apnea) frequently have concurrent behavioural sleep problems (such as waking repeatedly) -- and vice versa, according to research led by a scientist at Albert Einstein College of Medicine of Yeshiva University.

However, children with one type of sleep problem are not routinely evaluated and treated for the other.

The findings suggest that pediatricians, respiratory specialists and sleep medicine specialists should work together whenever a sleep problem is suspected.

The study was published Dec. 4 in the online edition of Behavioral Sleep Medicine and is reprinted from materials provided by Albert Einstein College of Medicine, via Newswise.

"Our findings should raise awareness among parents and physicians that if a child is sleeping poorly, they should delve deeper to see if there is an unrecognized respiratory-related sleep problem," said senior author Karen Bonuck, Ph.D., professor of family and social medicine and of obstetrics & gynecology and women's health at Einstein.

"The best way to make sure this happens is by taking an interdisciplinary approach to the care of these children."

According to Dr. Bonuck, little was known about the co-occurrence of behavioural sleep problems and sleep-disordered breathing (SDB).

She and her colleagues carried out this study to find the prevalence and duration of behavioral sleep problems and of SDB and the rate at which they co-occur in a large, population-based sample of children (aged 18 months to nearly 5 years).

The researchers analyzed data on more than 11,000 children enrolled in the Avon Longitudinal Study of Parents and Children, a project based in the United Kingdom.

In response to mailed questionnaires, parents reported their child's snoring and apnea at 18, 30, 42, and 57 months of age.

For the same time intervals, parents were also asked whether their child refused to go to bed, and whether they regularly woke early, had difficulty sleeping, had nightmares, got up after being put to bed, woke in the night, or awakened after a few hours.

Children with five or more of these behaviours simultaneously were considered to have a clinically significant behavioral sleep problem.

The prevalence of behavioural sleep problems over the 18 to 57-month age reporting period ranged from 15 to 27 percent with a peak at 30 months of age.

Among children with behavioural sleep problems, 26 to 40 percent had habitual SDB, again peaking at 30 months.

Among children who had habitual SDB, 25 to 37 percent also had a behavioural sleep problem, peaking at 30 months.

While it is unlikely that behavioural sleep problems cause SDB, the converse may be true, noted Dr. Bonuck.

Frequent night wakings initially related to SDB may be reinforced by the parents' anxious responses. These behaviours may, in turn, develop into a persistent behavioural sleep problem, despite adequate treatment for SDB.

"It's important that we pay attention to how our children are sleeping," said Dr. Bonuck. "There's ample evidence that anything that interrupts sleep can negatively affect a child's emotional, cognitive, behavioural and academic development. Fortunately, snoring and apnea are highly treatable, and there are many effective interventions for behavioral sleep problems."

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