hypnagogue

noun [具体名词]安眠药；催眠剂

The meaning of HYPNAGOGIC is of, relating to, or occurring in the period of drowsiness immediately preceding sleep.
“HYPNAGOGIC”这个词的意思是：属于、与睡眠前的昏昏欲睡阶段相关联的，或者是在这个阶段发生的。