Zopisign 10mg Tablet starts working shortly after you take it. The maximum levels of Zopisign 10mg Tablet are reached within an hour of taking it. Taking Zopisign 10 mg Tablet may make you feel sleepy and sleepiness may persist for some time.This is the reason that you should prefer taking Zopisign 10 mg Tablet immediately before you go to bed, or after you have gone to bed but could not fall asleep. Moreover, take Zopisign 10mg Tablet only if you know that you will be able to stay in bed for at least 7 to 8 hours after taking the medication.