(2) arousal is early, sleep the not deep and much person that wake, give effect time long hypnotic, chloric aldehyde of the barbitone that be like benzene, hydration, methaqualone.

• (2)觉醒早、睡不深而多醒者，给予作用时间长的催眠药，如苯巴比妥、水合氯醛、安眠酮等。