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Indexed/Abstracted in: BIOSIS Previews, EMBASE, Scopus, Emerging Sources Citation Index
Online ISSN 1827-1812
Bener A. 1,2, Al-Hamaq A. O.A.A. 3, Zirie M. 4, Darwish S. 4, Al-Mohammed A. A. 5
1 Department of Medical Statistics and Epidemiology, Weill Cornell Medical College, Hamad Medical Corporation, Qatar
2 Department of Evidence for Population Health Unit, School of Epidemiology and Health Sciences, University of Manchester, Manchester, UK
3 Qatar Diabetes Association and Qatar Foundation, Doha, Qatar
4 Department of Endocrinology, Hamad General Hospital, Hamad Medical Corporation, Doha, Qatar
5 Department of Respiratory and Sleep Medicine, Hamad General Hospital, Hamad Medical Corp., Qatar
Aim. The aim of the study was to find the impact of type 2 diabetes (T2DM) on sleep duration and sleep disturbances in an adult Arab population residing in the State of Qatar.
Methods. This was a matched case-control study. The survey was carried out in urban and semi-urban primary health care centers. The survey was conducted from March 2009 to August 2009 among Qatari and other Arab nationals above 20 years of age. The study based on matched by age and gender of 539 cases and 548 controls. The Epworth Sleepiness scale and the Pittsburgh Sleep laboratory tests performed.
Results. The present study findings revealed that the poor sleep quality was significantly higher in diabetic patients (73.9%; P<0.001). Also, sleep disturbances were highly significant in diabetic patients, especially waking up in the night (75.9%), going to bathroom (73.5%), coughing (75%), and snoring (60.3%) (P<0.001). Epworth sleepiness scale rated that 19.9% of the diabetic patients experienced sleepiness during the daytime, while it was lower in healthy subjects (13%). There was a significant difference observed in ESS score results between diabetic and non-diabetic subjects (P<0.001). A good proportion of diabetic patients who were classified as poor quality sleepers (<5 hour) were obese (50%), hypertensive (39%) and with high cholesterol (58.1%) and overweight (34.6%). The diabetic patients reported more often <6 hour sleep per night (52.7% vs. 31.3%), followed by <5 hour sleep per night (22.2% vs. 15.1%).
Conclusion. The present study has revealed that poor sleep quality was significantly higher in the diabetic adult population. The study findings revealed that there is an association between sleeping disorders and diabetes. The Epworth sleepiness scale showed that diabetic patients experienced more sleepiness than healthy subjects did during the daytime.