This 2016 narrative review aims to provide a comprehensive overview of various therapeutic functions of melatonin in insomnia, sleep-related breathing disorders, hypersomnolence, circadian rhythm sleep–wake disorders and parasomnias. Melatonin was found to offer an alternative treatment to the currently available pharmaceutical therapies for sleep disorders with significantly less side effects.
Xie Z, Chen F, Li WA, Geng X, Li C, Meng X, Feng Y, Liu W, Yu F. A review of sleep disorders and melatonin. Neurol Res. 2017 Jun;39(6):559-565. doi: 10.1080/01616412.2017.1315864. Epub 2017 May 1. PMID: 28460563. https://pubmed.ncbi.nlm.nih.gov/28460563/