Evaluation of sleep pattern disorders in breast cancer patients receiving adjuvant treatment (chemotherapy and/or radiotherapy) using polysomnography.

Purpose: To assess sleep disturbance patterns in breast cancer patients receiving adjuvant radiotherapy and/or chemotherapy in comparison to normal subjects, and their impact on quality of life.

Methods: Seventy-four histologically proven breast cancer patients of both genders, aged 30 to 65 years, were classified into 2 groups. First group: 26 patients with breast cancer before receiving any treatment.