somniculous in a sentence

Definition

Somniculous: characterized by a drowsy or sleepy quality; inducing sleepiness or lethargy.

The somniculous atmosphere of the library made it hard for anyone to concentrate on their studies.
After a long week at work, he felt somniculous on Saturday morning, reluctant to leave the comfort of his bed.
The somniculous hum of the rain outside lulled her into a peaceful nap on the couch.
Despite the somniculous nature of the meeting, he managed to stay awake and contribute insightful ideas.
Her somniculous voice had a soothing quality that made everyone in the room feel at ease.