Melatonin RedirectRedirect This outdated information has been archived and is available for reference purposes only. To access the archived document, please go to: http://archive.ahrq.gov/clinic/epcarch.htm. Current as of September 2012 Internet Citation: Melatonin: Redirect. September 2012. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/redirects/er108.html