A drug or herb that causes drowsiness, sleep, or a coma-like state. Metaphorically, anything (a speech, book, TV show, etc.) that results in such a state. Some people mistakenly believe that hypnosis is a narcotic. However it induces focus, not sleep.
Readers, please enjoy this guest blog post by Sandra Kynes, author of several books, including The Herb Gardener's Essential Guide, Plant Magic, and the new Witches' Encyclopedia of Magical Plants, among many others.
Although a few old books...