Smits, M. G., van Stel, H. F., van der Heijden, K., Meijer, A. M., Coenen, A. M. L., & Kerkhof, G. A. (2003).
Melatonin improves health status and sleep in children with idiopathic chronic sleep-onset insomnia: a randomized placebo-controlled trial.
Journal of the American Academy of Child and Adolescent Psychiatry,
42(11), 1286-1293.
https://doi.org/10.1097/01.chi.0000085756.71002.86