Sedatives, also called tranquilizers or hypnotics, is a class of drugs that induces any number of drugs that cause sedation.
There can be some overlap of drugs between the sedative class, benzodiazepine class, tranquilizers, hypnotics and anxiolytics. However, while some drugs fit into other classifications of drugs, there are several types of drugs that only fit into the sedatives class; examples of-which would include Z-drugs such as Intermezzo, Sonata, Ambien, and Lunesta.