Cancer is a stressful situation itself and brings along a number of psychiatric disorders, which are frequently encountered as depression and sleep disorders. The purpose of this study was to evaluate the depression and sleep quality in cancer patients receiving chemotherapy. 123 cancer patients receiving chemotherapy at Sakarya University Faculty of Medicine Training and Research Hospital were evaluated by questionnaire. Beck Depression Inventory (BDI) and Pittsburgh Sleep Quality Index (PSQI) were used to obtain data of the study. Major depression was detected in 12.2% of the patients by Beck depression inventory, while there was moderate depression in 27.6% and mild depression in 31.7% of the patients. Poor sleep quality was present in 63.6% of the patients according to Pittsburgh sleep scale. This study showed that patients with solid tumor receiving chemotherapy in our unit had higher rates of both depression and sleep quality disorder compared to literature.

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