Benzos are like alcohol and marijuana very popular drugs. Benzodiapines are the dogs of the pharmaceutical companies. Once they were the great earners, but now they have to give way to other stars. Benzodiapines are medically used as sleeping pills (against insomnia) , to reduce anxiety and fear, to relax muscles, to let you forget what happened (example: before an operation) and more. Benzodiapines are tranquilizers, depressants. To new a few species ofthese downers: oxazepam , diazepam , clorazepam , valium , temazepam , benzo , oxazepam , diazepam , rohypnol , clorazepam, valium , temazepam. Benzo's are typical downers, relaxants. Benzo's also cause you to forget what happened during the time you are under the influence. Just think of the notorious rohypnol as a 'rape drug'. The victim cannot remember what exactly happened. From Coolnurse: The benzodiazepine family of depressants are used therapeutically to produce sedation, induce sleep, relieve anxiety and muscle spasms, and to prevent seizures. In general, benzodiazepines act as hypnotics in high doses, and as sedatives in low doses.