Zopiclone (pronunciation perhaps ) sold as Imovane and Zimovane in Europe, and as the eszopiclone analogue Lunesta in North America, is a novel hypnotic agent used in the treatment of insomnia. Zopiclone is also available worldwide under various other trade names. It was first developed by Sepracor and introduced in 1988 by Rhône-Poulenc S.A., now part of Sanofi-Aventis, the main worldwide manufacturer of the drug. Zopiclone is a controlled substance in the United States, Canada and some European countries and may be illegal to possess without a prescription.
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