Zopisign 10 is a generic substance that you can find to have some sleep. The 10mg dose is just one of the doses that doctors prescribe to patients. Apart from this, there are some other doses available for the generic substance as well.
This includes Zopisign 10 mg, and Zopisign 10. And this means that the Zopisign 10 is by far the highest dose that you can take.
Remember that with so many options only the best person to find you the right dose is the doctor.