Background: Health Related Quality of life (HRQoL) describes an individual’s subjective perception of their position in life as evidenced by their physical, psychological, and social functioning. HRQoL has become an increasingly important measure of outcome in child mental health clinical work and research. In adolescence, there are increased environmental demands and it is important to identify factors that may impair psychosocial function and self-worth in the transition from adolescence to young adulthood. Sleep disorders, including insomnia, in adolescents with ADHD is well established and is shown to impair academic performance and self-esteem. This study aims to evaluate Quality of life, Self Esteem and quality of sleep and its corelation in adolescents with ADHD