SODIUM BARBITAL is a drug that get down most metabolic processes at high doses. It is basically a sleeping pill which is used to reduce the voluntary inhibition during psychiatric examination.

When taken in high-enough doses of this drug, it is capable of producing a deep unconsciousness that makes them useful as normal anesthetics. In addition, the prolonged use of SODIUM BARBITAL for relief of insomnia leads to tolerance, in which the person needs high amounts of the drug in excess of the initial therapeutic dose