Use of a questionnaire that predicts the diagnosis and influence of sleep related breathing disorder (SRBD) may be a cost-effective method to aid in both diagnostic algorithm and therapy. Therefore, the aim of this study was to adapt Pediatric Sleep Questionnaire (PSQ) into Turkish and to test the validity and reliability of the Turkish questionnaire. Total of 111 children (59 male, 52 female) aged 2 to 17 years who had symptoms suggestive of SRBD were enrolled consecutively. Demographic characteristics such as age and gender of all children enrolled in the study were recorded. All parents were questioned about symptom severity, frequency and duration. Lastly, PSQ was administered to all parents. Mean age of the children enrolled in the study was 8.1 ± 3.4 years. Total PSQ score ranged between 0 and 0.95 and mean score was 0.35 ± 0.22. Comparison of total PSQ scores between children reporting different symptom frequencies demonstrated that PSQ score increased as the symptom frequency increased (p< 0.001). There was a significant difference of all PSQ scores among the groups (p< 0.05 for all). Total PSQ score for children that did not report snoring was 0.2 ± 0.5 wile that for the ones who snore throughout sleep was 3.8 ± 0.5 (p< 0.001). Cronbach's alpha values for all domains of PSQ were satisfactory. All items were significantly correlated with their corresponding scale. Turkish version of PSQ is a valid and reliable tool that may be used in the initial evaluation of Turkish children with symptoms suggestive of SRBD.