Zopiclone 7.5mg helps you to sleep better and thus treats sleeping problems like insomnia. You must take the dose of the medicine as directed by your doctor. Taking high doses of Zopiclone for longer than prescribed can lead to dependence on the drug. Overdose of Zopiclone may lead to serious symptoms, including excessive drowsiness, sudden onset of sweating, pale skin, blurred vision, shallow breathing, and loss of consciousness.