Subjects and Methods Test productsThe Test product was ZOPICLONE 7.5 mg tablets, manufactured and commercialized by Tecnoquímicas S.A (Cali, Colombia) as Zopiclona MK  and Zopicloteg TG  , Batch H2036, provided by the manufacturing laboratory.The Reference product, IMOVANE  Zopiclone 7.5 mg, Batch 323392, made by Sanofi-Aventis Farmacéutica Ltda, was purchased in a local pharmacy.Products underwent quality controls before the Bioequivalence study.Quality parameters such as drug content, dissolution and dosage-unit uniformity were tested, using analytical techniques given by the Test product manufacturer.These analysis were done in Laboratorio Especializado de Análisis of the Faculty of Pharmaceutical