Key clinical point: ADHD symptoms were reported by 7.6% of adolescents and were significantly correlated with all the sleep variables studied.
Major finding: Any insomnia (odds ratio, 1.48) was significantly associated with development of incident ADHD symptoms.
Study details: Investigators twice assessed 7,072 middle and high school students participating in the larger longitudinal Shandong Adolescent Behavior & Health Cohort.
Disclosures: The study was funded in part by the National Natural Science Foundation of China. The authors reported that they have no conflicts of interest.
Liu X et al. Sleep. 2019 Dec 2..