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ORIGINAL ARTICLE
Year : 2014  |  Volume : 35  |  Issue : 1  |  Page : 56-64

Sleep disorders and sleep quality among patients with anxiety or depressive disorders in relation to their quality of life


1 Department of Psychiatry, Faculty of Medicine, Suez Canal University, Ismailia, Egypt; Buraydah Mental Health Hospital, Buryda, Al-Qassim, Kingdom of Saudi Arabia
2 Department of Psychiatry, Faculty of Medicine, Al-Qassim University, Buraydah, Kingdom of Saudi Arabia
3 Department of Psychiatry, Faculty of Medicine, Zagazig University, Zagazig, Egypt; Department of Psychiatry, Faculty of Medicine, Al-Qassim University, Buraydah, Kingdom of Saudi Arabia
4 Department of Psychiatry, Faculty of Medicine, Zagazig University, Zagazig, Egypt

Correspondence Address:
Ashraf M.A. El-Tantawy
Department of Psychiatry, Faculty of Medicine, Sues Canal University, Ismailia, Egypt

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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/1110-1105.127284

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Background Sleep is essential in our lives and is related to the physical, mental and psychological state of the individual. Sleep problems are prevalent among psychiatric patients with common anxiety or depressive disorders. Patients and methods In 200 patients with anxiety or depressive disorders, diagnosis of specific sleep disorders was carried out according to the Diagnostic and statistical manual of mental disorders, 4th ed., text revision criteria using a semistructured psychiatric interview. Comorbidity was assessed using the Charlson Comorbidity Index. The quality of sleep was measured using the Pittsburgh Sleep Quality Index (PSQI); the negative emotional states of depression, anxiety and stress were measured using the Depression Anxiety Stress Scales and the quality of life was measured using the Short Form 36-item (SF-36). Results Overall, 36% of the patients showed sleep disorders: 43% of them had anxiety disorders and 29% of them had depressive disorders. Primary insomnia has a higher statistically significant difference among patients with anxiety or depressive disorders (27.5%) than the control group (4.0%) (P < 0.05). Patients with anxiety or depressive disorders who have sleep disorders have higher PSQI scores (P < 0.01) and lower SF-36 scores (P < 0.01) than patients with anxiety or depressive disorders who do not have sleep disorders. There was a correlation between the Depression Anxiety Stress Scales score with PSQI and SF-36 scores regarding both patients with anxiety disorders and patients with depressive disorders. Conclusion Sleep disorders and poor sleep quality would have a negative impact on important aspects of health-related quality of life of patients with anxiety or depressive disorders. Understanding of the prevalence, correlates and implications of sleep disturbances and sleep quality for healthcare utilization in this patient population could provide useful guidance for the design of services and targeted treatments that improve the quality of life of these patients. Clinicians should routinely screen for sleep problems in patients with anxiety or depressive disorders.


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