Child sleep problems associated with impaired academic, psychosocial functioning

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Pennsylvania: Irrespective of whether children have sleep problems since birth or not, a new study by researchers at Children`s Hospital of Philadelphia (CHOP) has found that sleep disturbances at any age are associated with diminished well-being by the time the children are 10 or 11 years old.

The findings, which were published in the Journal of Child Psychology and Psychiatry, suggest health care providers should screen children for sleep problems at every age and intervene early when a sleep problem is identified. 

"Our study shows that although those with persistent sleep problems have the greatest impairments when it comes to broad child well-being, even those with mild sleep problems over time experience some psychosocial impairments," said Ariel A. 

Williamson, PhD, a psychologist in the Sleep Center and faculty member at PolicyLab and the Center for Pediatric Clinical Effectiveness at CHOP. "The range of impairments across academic and psychosocial domains in middle childhood indicate that it is important to screen for sleep problems consistently over the course of a child`s development, especially to target children who experience persistent sleep problems over time," added Williamson.

The researchers examined data from an Australian birth cohort involving more than 5,000 patients. Caregivers reported on whether their children had sleep problems at multiple points in time, from birth through 10 or 11 years of age.

To assess child well-being, which included psychosocial measures like self-control and emotional/behavioral health and academic performance measures, the researchers used a combination of reports from caregivers and teachers as well as child-completed assessments.

In analyzing caregiver-reported sleep behaviors, the researchers found five distinct sleep problem trajectories, or patterns that characterized child sleep problems over time: persistent sleep problems through middle childhood (7.7 percent), limited infant/ preschool sleep problems (9.0 percent), increased middle childhood sleep problems (17.0 percent), mild sleep problems over time (14.4 percent) and no sleep problems (51.9 percent).

Using those with no sleep problems as a benchmark, the researchers found that children with persistent sleep problems had the greatest impairments across all outcomes except in their perceptual reasoning skills. Children with increased middle childhood sleep problems also experienced greater psychosocial problems and worse quality of life, but did not score lower on academic achievement. 

Children with limited infant/preschool sleep problems or mild increases in sleep problems over time also demonstrated psychosocial impairments and had worse caregiver-reported quality of life, but the effects were smaller than the other sleep trajectories.

While the researchers found impairments related to all of the sleep problem trajectories, they note the possibility that for certain trajectories, the relationship could be bidirectional - that is, psychosocial issues like anxiety could lead to sleep issues, and vice versa, particularly in children who develop sleep problems later in childhood.

"Although this study cannot answer whether minor, early or persistent sleep problems represent a marker for the onset of behavioral health or neurodevelopmental conditions, our findings support consistently integrating questions about sleep into routine developmental screenings in school and primary care contexts," Williamson said.