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Letter
Insomnia in breast cancer: prevalence and associated factors
  1. Amira Daldoul1,2,
  2. Nouha Ammar3,
  3. Mohamed Wassim Krir4,
  4. Wiem Khechine1,2,
  5. Ahmed Hajji1,5,
  6. Haifa Bergaoui1,5,
  7. Nada Ghazouani4,
  8. Houda Migaou1,6,
  9. Sonia Zaied1,2 and
  10. Olfa Zoukar1,5
  1. 1 University of Monastir Faculty of Medicine of Monastir, Monastir, Tunisia
  2. 2 Department of Medical Oncology, Fattouma Bourguiba University Hospital of Monastir, Monastir, Tunisia
  3. 3 Department of Medical Oncology, Farhat Hached University Hospital of Sousse, Sousse, Tunisia
  4. 4 Department of Psychiatry, Military Hospital of Instruction of Tunis, Tunis, Tunisia
  5. 5 Department of Gynecology, El Omrane University Hospital of Monastir, Monastir, Tunisia
  6. 6 Department of Physical Medicine, Fattouma Bourguiba University Hospital of Monastir, Monastir, Tunisia
  1. Correspondence to Dr Amira Daldoul, Department of Medical Oncology, Fattouma Bourguiba University Hospital of Monastir, -, Monastir 5000, Tunisia; amira.krir{at}outlook.com

http://dx.doi.org/10.1136/bmjspcare-2020-002718

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    Insomnia is defined as a predominant symptom of dissatisfaction with sleep quantity or quality during different phases of the sleep cycle and affects 30%–60% of patients with cancer.1 It is common in most cancers notably breast cancer. Given this high rate and negative impact in breast cancer, early identification of insomnia symptoms should be a priority. However, in practice, sleep disturbance seems under-recognised, and research on sleep in breast cancer is uncommon.

    We evaluated the quality of sleep and the predisposing factors in breast cancer.

    This was a cross-sectional study at the departments of medical oncology in the University Hospitals of Monastir and Sousse in Tunisia. It was carried out from 15 January 2017 to 15 June 2017. Inclusion criteria were confirmed diagnosis of cancer, age over 18 years and giving informed written consent to participate. Exclusion criteria were severe cognitive impairments, severe psychiatric disorder and a sleep disorder other than insomnia.

    A questionnaire collected demographic and clinical characteristics. Patients were asked to complete the following self-administered rating questionnaires: Insomnia Severity Index (ISI), Hospital Anxiety and Depression Scale, Brief Fatigue Inventory (BFI) and Short …

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    Footnotes

    • Contributors AD: planning, reporting of the work described in the article. NA: conduct of the work described in the article. WKrir: reporting of the work described in the article. WKhechine: conduct of the work described in the article. AH: conduct of the work described in the article. HB: conduct of the work described in the article. NG: reporting of the work described in the article. HM: responsible for the overall content as guarantor. SZ: responsible for the overall content as guarantor. OZ: conduct of the work described in the article.

    • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

    • Competing interests None declared.

    • Provenance and peer review Not commissioned; internally peer reviewed.