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Sleep Disorders
Volume 2012, Article ID 583510, 11 pages
http://dx.doi.org/10.1155/2012/583510
Research Article

The Epidemiology of Sleep Quality, Sleep Patterns, Consumption of Caffeinated Beverages, and Khat Use among Ethiopian College Students

1Addis Continental Institute of Public Health, Addis Ababa, Ethiopia
2Multidisciplinary International Research Training Program, Department of Epidemiology, Harvard School of Public Health, 677 Huntington Avenue, Kresge 501, Boston, MA 02115, USA
3Department of Mathematics & Statistics, Georgetown University, Washington, DC 20057, USA

Received 13 September 2012; Accepted 19 November 2012

Academic Editor: Michel M. Billiard

Copyright © 2012 Seblewengel Lemma et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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