Prevalence of childhood obstructive sleep apnoea syndrome and its role in daytime sleepiness in Syria: a large-scale school-based cross-sectional study.

A significant number of children have p-OSAS, affecting daytime sleepiness in school age. Physicians should consider loud snoring, and breathing pauses as marked symptoms of severe daytime sleepiness. Moreover, raising parents awareness about OSAS and daytime sleepiness is essential to ensure early access to primary care.