Child and Adol Psychiatry Clinics. 2017; 28(3): 587-595. DOI: http://dx.doi.org/10.1016/j.chc.2017.02.009

This article provides a nice and current summary of the evidence regarding the management of sleep disorders in preschool-aged children.

http://www.childpsych.theclinics.com/article/S1056-4993(17)30037-8/abstract