Sleep pattern changes in patients with lung cancer

Background: There are multiple connections between sleep and lung cancer.  Both of them impacting each other  lung cancer can make it difficult to sleep well due to symptoms and treatment side effects( 20-70% of  cancer patients suffer of insomnia) .Also there is possible relationship between lung cancer and nocturnal intermittent hypoxia, apnea and daytime sleepiness,  progression of lung cancer  considered as risk factor of obstructive sleep apnea severity. Aim of the work: to evaluate sleep pattern changes in patients with lung cancer. Patients and methods: 26 patients with non small cell lung cancer  were  interviewed for assessment of histopathological subtypes and stages according to TNM classification and treated at Department of Clinical Oncology and Nuclear Medicine (chemotherapy, radiotherapy, targeted therapy and surgical treatment were scheduled), they underwent to sleep questionnaire and Epworth Sleepiness Score (ESS).overnight full polysomnography was done