Zopiclone take half a tablet will not have dependence depends on how much time to eat, large doses or long-term use will have dependence, in addition and the patient’s drug sensitivity related to the specific use of drugs should be carried out under the guidance of a doctor. Zopiclone belongs to the non-benzodiazepine sedative sleeping drugs, commonly used to treat insomnia, drowsiness, dizziness, nausea, vomiting and other adverse reactions, is prohibited in the component allergy, myasthenia gravis, respiratory compensatory insufficiency, severe sleep apnea syndrome, pregnant women, breastfeeding, children under the age of 15 years. Zopiclone is usually 7.5mg/day, the treatment cycle usually shall not exceed 28 days, more than 7.5mg/day or long-term use will have dependence, long-term use can not be suddenly stopped, it is inevitable that withdrawal symptoms, manifested as dizziness, tremor, nightmares, sleepiness, confusion, and even hallucinations, hallucinations and so on. Zopiclone belongs to the prescription drugs, should be used under the guidance of a doctor, not to use on their own to avoid adverse reactions.