“…Excessive crying persisting beyond 3 months of age has been reported in 6%-13% of infants (von Kries, Kalies, & Papousek, 2006;Santos, Matijasevich, Capilheira, Anselmi, & Barros, 2015;Schmid et al, 2010;Wake et al, 2006). The prevalence of feeding and eating problems has been reported in 10%-50% of children (Bilgin & Wolke, 2017a;Schmid et al, 2010;Wright, Parkinson, Shipton, & Drewett, 2007). Reports of prevalence rates of sleeping problems vary between 9% and 21% (Sadeh, Gruber, & Raviv, 2002;Schmid et al, 2010;Wake et al, 2006).…”