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Melatonin Supplementation in Children: A Narrative Review of Indications, Safety, and Potential Long-Term Effects

Insomnia and sleep disturbance are common in children and adolescents. Parents and medical providers often wonder whether melatonin supplementation is a safe choice in these age groups. Small-scale studies suggest that long-term melatonin supplementation safely and effectively treats sleep onset insomnia in children with attention-deficit hyperactivity disorder (ADHD) and/or autism spectrum disorder (ASD). Documented side effects have been minimal and relatively benign. This paper is a brief review of the clinical indications, side effects, and potential long-term implications of supplementing melatonin in children.