Background: Allergic rhinitis affects 40% of general population and has an increasing prevalence. Sleep disturbance is an important problem in individuals with allergic rhinitis. Recent studies have shown that 68% of cases with perennial rhinitis and 48% with seasonal rhinitis have impaired sleep.

Materials and Methods: In this case-report study, 33 children with allergic rhinitis aging 6-18 years entered the study. Thirty five children without allergic rhinitis entered the study as control group. A questionnaire containing demographic data and types of sleep disorders filled for every child.

Results: Except respiratory disorder, there was no other significant difference between groups in any sleep disorder. Sixteen children (48.5%) in case group has respiratory disorder while none of control children were involved (P=0.0).

Conclusion: Nasal congestion is the main factor involved in sleep impairment in children with allergic rhinitis. Therefore, it seems that it is the first symptom to be treated.