psychotonics

例句：

1. 1. The patient was given a psychotonic to help him sleep.
   病人被给予一种催眠药以帮助他入睡。
2. 2.She took some sedatives before going to bed.
   她睡前吃了一些镇静剂。
3. 3. The doctor prescribed the patient a hypnotic to help him relax.
   医生给病人开了一种催眠药以帮助他放松。