soporific
adjectiveDefinition
Causing or tending to cause sleep; characterized by drowsiness or lethargy. It can refer to anything that induces a state of sleepiness.
Examples
- The warm, soft lighting in the room had a soporific effect, making everyone feel relaxed and ready to sleep.
- He found the lecture on plant biology to be quite soporific, struggling to keep his eyes open as the professor droned on.