<p class="abstract"><strong>Background:</strong> <span lang="EN-IN">This prospective study was conducted in our department with the objective to study the quality of life outcome after adenotonsillectomy in children with sleep disorderd breathing. Sleep-disordered breathing, can lead to substantial morbidities, affecting the central nervous system (CNS), the cardiovascular and metabolic systems, and somatic growth, ultimately leading to reduced quality of life. </span></p><p class="abstract"><strong>Methods:</strong> <span lang="EN-IN">This prospective study was conducted in 47 patients in the Department of Otorhinolaryngology Head and Neck Surgery, Government Medical College and associated SMHS Hospital Srinagar. The study was included the patients with SDB in pediatric age group, who visited in our OPD.OSA-18 questionnaire was used pre-operatively, at 2 and 6 months after surgery. </span></p><p class="abstract"><strong>Results:</strong> <span lang="EN-IN">Our study groups comprised of total 47 patients with majority of patients with in age group of 5-7 years, males were 29 (61.70%) and females were 18 (38.30%). In our study the OSA 18 scale used pre-operatively showed majority of patients 33 (70.21%) having score >80 score, with mean OSA-18 score of 84.15 showing that there was a major impact on quality of life and there was significant improvement in mean OSA-18 score in postoperative period from 30.49 to 26.85 at 2 and 6 months post- operatively and hence improvement in quality of life. </span></p><p class="abstract"><strong>Conclusions:</strong> <span lang="EN-IN">Based on the observation made in the study we concluded that there was a significant improvement in the disease specific postoperative quality of life after both adenotonsillectomy and tonsillectomy. We also concluded that polysomnography results matched with OSA 18 questionnaire scale score done preoperatively.</span></p>