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Drug May Improve Depression and Sleep, University of Sydney Study Finds  
5/18/2011 8:21:53 AM

An antidepressant that modifies sleep-wake cycles proved effective for treating major depression while also improving the sleep quality of patients in key studies, according to a newly published study. The melatonin-based drug agomelatine was recently approved in Europe and Australia for the treatment of depression, but studies are still under way in the U.S. There is a growing recognition of the link between depression and disturbances in the 24-hour sleep-wake cycle known as circadian rhythm, study researcher Naomi L. Rogers, PhD, tells WebMD.