Whether due to firecrackers, loudspeakers, or other sources, these signs implore everyone to be quiet at night. The most common of these signs is of a person asleep in his bed, with the moon and three stars showing through the window. This variety of sign is almost always a man, and he rarely (if ever) is shown snoring. Oddly, the one example I’ve seen of a woman sleeping shows her snoring. Read with the caption, “Keep quiet at night”, perhaps this sign really means “No Snoring”.
The “no firecracker” signs share a pleasing consistency as well.
And here are some others:Google