Journal of Sleep Sciences 2016. 1(4):169-175.

Other Side of Breast Cancer: Sleep Quality
Samereh Eghtedar, Mina Nahamin, Robab Hassanzadeh, Fateme-sara Aparnak, Elnaz Asghari


Background and Objective: Breast cancer is the most common cancer among women. Many of the women with breast cancer suffer from sleep disorders. This study aimed to investigate the quality of sleep and its related issues in women with breast cancer referred to the Hematology and Oncology Research Center affiliated with Tabriz University of Medical Sciences, Tabriz, Iran.

Materials and Methods: In this cross-sectional study, 103 women with breast cancer were chosen using the census method. Data were collected using the Pittsburgh Sleep Quality Index. Descriptive and analytic statistics and linear re-gression test were used for data analysis.

Results: The mean age of the sample was 42.59 years [standard deviation (SD): 11.72 years] and the average length of diagnosis was 19.90 months (SD: 12.67 months). The mean score of sleep quality was 11.50 (SD: 3.71) in a range from 0 to 21. Except the history of mastectomy, age, smoking status, the remaining demographic data could predict 39.5% of the variance of sleep quality.

Conclusion: The results of this study are a wakeup call for officials. To prevent the negative impact of poor quality of sleep, there is a need to design holistic and appropriate interventions. The findings provide valuable information with scheduling for these interventions.


Sleep quality; Breast cancer; Pittsburgh Sleep Quality Index

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