A Zopiclone 10mg tablet is a medication that is used for the management of insomnia. It belongs to a family of medicines called sedatives and hypnotics. It is also known by its trade name, Zopisign. The effect of Zopiclone starts after 30 minutes to one hour and lasts for 5-6 hours. In rare cases, it can last up to 8 hours. The time needed for Zopiclone to take effect will depend on the many factors such as age and health condition of the patient.