somniferous

Everyone was back in the Dolby Theatre, a welcome return after last year’s somniferous experiment from Steven Soderbergh, which was held in Los Angeles’s Union Station.

From Washington Post ● Mar. 28, 2022

Still, it’s a somniferous situation for the photographers, who camp out in their cars for hours at a time for a few seconds of activity.

From New York Times ● Jun. 1, 2019

Perhaps, however, someone with practice in writing sermons will argue that the sermon without instances is as somniferous as the book-review with the same want.

From The Art of Letters by Robert Lynd

Mary had bathed his face repeatedly with sundry restoratives, and likewise administered a cordial that she had brought from her father's house, which seemed to have a most astonishing somniferous effect.

From Wild Western Scenes A Narrative of Adventures in the Western Wilderness, Wherein the Exploits of Daniel Boone, the Great American Pioneer are Particularly Described by J. B. (John Beauchamp) Jones

What is common, excites no surprise; and the stream of population rushes on without stopping one instant to notice these somniferous indulgences.

From A Bibliographical, Antiquarian and Picturesque Tour in France and Germany, Volume Two by Thomas Frognall Dibdin