Zopiclone is perfect for short-term treatment, so you can use it for up to four weeks regularly for an improved sleeping cycle. If you have been suffering from waking up too many times at night, this treatment can also help you get this problem under control. Do you know what is Zopiclone used for in the medical society? This tablet is preferred by experts to work in the central nervous system of the brain to calm your nerves by secreting a chemical called gamma-aminobutyric acid.