<pharmacology> Sedative medications used to promote sleep. The benzodiazepines and barbiturates are commonly used. ... Examples include: diazepam, flurazepam, triazolam, chlordiazepoxide, secobarbital, amobarbital, talbutal and pentobarbital. ... (27 Sep 1997) ... Found on http://www.encyclo.co.uk/local/20973