Zopiclone is a prescription medication used to treat insomnia (difficulty falling asleep or staying asleep). It belongs to a class of drugs called cyclopyrrolones, which are similar to benzodiazepines in their effects but have a different chemical structure. Zopiclone enhances the effects of gamma-aminobutyric acid (GABA), a neurotransmitter that slows down brain activity, leading to sedation, relaxation, and sleepiness. to Treat Insomnia and Improve Sleep Quality.

Used for short-term treatment (usually 2–4 weeks) due to the risk of dependence. Can cause drowsiness the next day, so avoid driving or operating heavy machinery. Common side effects include a metallic taste in the mouth, dry mouth, and daytime drowsiness. Risk of dependence and withdrawal if used long-term. Avoid alcohol, as it increases drowsiness and risk of side effects. Not recommended for people with severe breathing problems, liver disease, or a history of substance abuse. Can cause withdrawal symptoms if stopped suddenly after long-term use.