Prevalence of Obstructive Sleep Apnoea (OSA) Among 4-8 Years Old Children in the General Population

The study is a population-based, observational study of 4-8 year old children located in Akureyri, Iceland. All parents in this geographical area will be invited for their child/children to participate in the study. Parents of all participating children will be asked to answer questionnaires to assess general health, sleep habits, behavior and quality of life and then measure their sleep for five consecutive nights with a home based sleep test.