2024 Yes https://doi.org/10.1016/j.envpol.2024.124689 Shi, Di Asia Observational Exposure Study Students Elementary (K-5) Middle/Jr High (6-8) Lighting Other Indoor light-at-night Children and adolescents LAN duration Schooldays and weekends This observational exposure study used wearable photometers to measure indoor light-at-night among 897 Beijing children aged 6–14. Analysis by schedule and demographics supports interventions to reduce excessive nighttime light exposure in youth.