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Drugs that suppress anxiety and promote sleep; the NSDUH classification includes benzodiazepines, barbiturates, and other types of CNS depressants.
- Browse Related Terms: barbiturate, Benzodiazepine, CNS Depressants, Narcolepsy, Polydrug Abuse, Prescription Drug Abuse, Psychotherapeutics, Respiratory Depression, Sedatives, Tranquilizers