soporific
causing sleep
Root
- somn / sopor: sleep
Other words with the somn / sopor root
- insomnia: inability to sleep
- somnambulate: to walk while asleep
- somnambulism: the condition of sleepwalking
- somnambulist: a sleepwalker
- somnolent: sleepy or drowsy
Sopor carries deep sleep. Soporific means sleep-making: it turns the room into a pillow.
The lecturer meant to inspire debate but produced a soporific drone.
Soporific is a wonderful word for sleepiness caused by something outside you: a lecture, medicine, heat, music, or a dull report.
Feel the effect: the thing is not asleep; it makes the room, body, or mind drift toward sleep.