“…1 As this kind of cohort study with large population groups is not carried out in Turkey, we can only estimate the percentage of SDB is approximately 3% to 12% from various epidemiological studies. 2,3 The prevalence of SDB ranges from 4% to 7% around the world depending on the country and risk factors such as age, sex, obesity, family history, craniofacial abnormalities, cigarette smoking, alcohol consumption, and so on. 4 Obstructive sleep apnea syndrome (OSAS) is the most common form of such disorder, characterized by the repetitive complete and/or partial collapse of the airway while sleeping and the arousal of the patient to restore ventilation.…”