adjective
- causing or tending to cause sleep; sleep-inducing
Usage: formal; literary
Examples
- The professor’s somniferous lecture put half the class to sleep.
- She avoided the somniferous effects of heavy meals before important meetings.
- The warm milk had a somniferous quality that helped the child fall asleep.
- His somniferous voice made him perfect for recording bedtime stories.
- The somniferous atmosphere of the library was ideal for afternoon naps.
- The medication had somniferous side effects that lasted several hours.