Association between early childhood sleep difficulties and subsequent psychiatric illness.

Chronic disruptions to sleep in childhood are associated with increased prevalence of psychiatric disease later in development. When sleep disruptions remit before adolescence, the increased prevalence of psychiatric disease is no longer observed, highlighting the importance of early detection and intervention. Clinicians typically rely on caregivers' reports for diagnosis and management of childhood sleep challenges. We examined whether findings on polysomnogram (PSG) can offer similar insight into childhood sleep difficulties and the risk of subsequent psychiatric illness. A cohort was identified of 348 children ages 5 years 11 months and younger with sleep difficulties rising to the level of formal clinical workup. A retrospective review of caregiver-reported sleep concerns, PSG results, and subsequent psychiatric illness was completed. PSG findings were compared to presence of psychiatric illness later in life as well as caregivers' reported concerns. Chi-squared and Fisher's exact tests were completed to evaluate correlations and Cohen's kappa was used to evaluate agreement. With only a few exceptions, comparisons between clinician findings on PSG and subsequent psychiatric diagnoses were statistically nonsignificant. Similarly, the relationship between caregivers' subjective reports about sleep and clinicians' findings on PSG demonstrated only slight to fair agreement, suggesting reported concerns were not predictive of PSG results. Parental reports of subjective sleep concerns are indicative of different sleep pathologies compared to sleep pathologies detected on PSG. The addition of PSG to caregiver-reported data appears to have limited clinical utility in understanding sleep concerns associated with the risk of subsequent psychiatric illness in young children. Pease E, Shekunov J, Savitz ST, et al. Association between early childhood sleep difficulties and subsequent psychiatric illness.

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