Key clinical point: Childhood behavioral problems, particularly externalizing ones, are associated with adulthood insomnia.

Major finding: Compared with those with normal behavior, 16-year-olds with severe behavioral problems had increased odds for difficulty initiating or maintaining sleep at age 42 years (adjusted odds ratio, 2.15; 95% confidence interval, 1.56-2.97; P less than .001)

Study details: Longitudinal study based on the UK 1970 Birth Cohort Study, including 8,050 participants aged 5 years, 9,090 participants aged 10 years, 9,653 participants aged 16 years, and 9,841 participants aged 42 years.

Disclosures: No study sponsor was identified. The authors reported no relevant financial disclosures.