sedative-hypnotic

例句：

1. 1. The medication is effective in treating anxiety disorders.
   这种药物对治疗焦虑症有效。
2. 2. The patient was given a sedative to help him sleep.
   给病人开了镇静剂帮助他入睡。
3. 3.The hypnotic effects of the drug were impressive.
   这种药物的催眠效果令人印象深刻。