sleepover

Etymology

From sleep + over.

sleepover means The act of spending the night as a guest in another's house, especially when the participants are children. Lexicurio rates it Rare gem — a strength score of 74 out of 100.

noun

The act of spending the night as a guest in another's house, especially when the participants are children.“Since it would be too late to notify the many people whom we hope are coming, we are really working hard to find other facilities — probably to rent a hall for the meetings; perhaps arrange sleep-overs at Israeli members' homes.”
An overnight guest.