Drugs (whether methadone, marijuana, or clonazepam) are a trap. Klonopin is an anti-epileptic drug, which was synthesized from benzodiazepine and belongs to the class of drugs that affect the mind. It has a hypnotic effect, relieves anxiety and irritability and relaxes muscles. Benzodiazepine is a CNS depressant, which means that it calms and soothes a person.Klonopin is used for the treatment of seizures, tremor and involuntary movements. The medicine also relieves the symptoms of phobias, panic attacks and other sleep-related movement disorders (sleepwalking, etc.)