失眠是睡眠不足或睡得不深 ,一般呈现为起始失眠、间断失眠及终点失眠三个特点。失眠是许多疾病的并发症之一 ,发病率很高 ,治疗失眠在 60年代以前主要用巴比妥类镇静催眠药 ,60年代以后主要采用苯二氮艹卓 类 (BDZ)药物 ,70年代以来 ,第二代 BDZ类药因起效快、耐受良好的特点 Insomnia is lack of sleep or sleep is not deep, usually presented as the beginning of insomnia, intermittent insomnia and end-point insomnia three characteristics. Insomnia is one of the complications of many diseases, the incidence is high, the treatment of insomnia by the 60s before the main use of barbiturates sedatives and hypnotics, 60 after the main use of benzodiazepine (BDZ) drugs since the 70s The second generation of BDZ drugs because of rapid onset, well-tolerated characteristics