Definition of "eszopiclone" []

• The active dextrorotatory stereoisomer of zopiclone, used as a sedative to treat insomnia. (noun)

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• "The trial tested a modified-release formation of eszopiclone, which is sold as the sleep aid Lunesta in the U.S. and Lunivia in Europe."
• "Barbiturates including Fiorinal, and non-benzo sleeping pills in excess such as Ambien (zolpidem), Sonata (zaleplon), Lunesta (eszopiclone)"
• "I took eszopiclone (Lunesta), then zolpidem (Ambien and generic), for my chronic insomnia, but each stopped working after awhile."