In fact, hypnotics are the third leading cause of poisoning in Taiwan. The benzodiazepines developed in more recent years, such as Rohypnol and Erimin, work by binding to specific receptors in the central nervous system. This hyperpolarizes the cell membrane and has a sedative effect.
後期發展出的安眠藥──苯二氮平類，如 FM2、一粒眠等，其作用機轉係經由與中樞神經系統中特定的接受器結合，造成細胞膜過度極化、活動力降低現象，以抑制神經興奮。