0661 Natural History of Nightmares from Childhood to Young Adulthood: A Longitudinal, Population-based Study

Abstract Introduction Nightmares are common in childhood and typically become less prevalent adulthood. However, little is known about the natural course of nightmares as children grow into The purpose this study was to examine longitudinal trajectory from adulthood determine population-based remission, incidence, persistence rates. Methods Penn State Child Cohort a random, sample 700 (5-12 years at baseline) who returned for follow-up visits during adolescence young For current study, 258 adults (25.1±2.7 old, 53.9% female, 24.8% minority population) completed their visit (15.9±2.0 later). were defined by parent-report self-report adulthood, based on severity. Rates persistence, incidence computed. Results rate 28% mild 23% moderate-to-severe nightmares. About 13% with experienced worsening adult full remission rates 58% 32% severe nightmares, respectively. 45% partial Among without 8% developed respectively, Conclusion Moderate-to-severe only fully remit third In addition, one out ten will worsen severity Furthermore, significant number newly-develop Given association adverse mental health outcomes, should focus independent research prevention practices. Support (if any) National Institutes Health (R01HL136587, R01MH118308, UL1TR000127)