Zopidaily 7.5 (Zopiclone), a non-benzodiazepine sedative used for the short-term treatment of adult insomnia. It works by interacting with GABA receptors in the brain to reduce sleep onset time and nightly awakenings. An non-benzodiazepine sedative used for the short-term treatment of adult insomnia. It works by interacting with GABA receptors in the brain to reduce sleep onset time and nightly awakenings.