It is possible that CRS propagates sleep dysfunction through many cofactors including nightly wakening, nasal obstruction, depression and pain, according to background information in the article. (sciencedaily.com)
(Tumors grow two to three times faster in laboratory animals with severe sleep dysfunctions) (articles.mercola.com)
«Patients with OSA should be treated concurrently for both CRS and OSA to optimize sleep dysfunction and QOL improvement. (sciencedaily.com)