an instance of sleeping over, as at another person's house.
a person who sleeps over.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use sleepover in a sentence
There is no doubt that Abbas is losing sleep over their plight.
The 51-year-old engineer for the Department of Education said he got about four hours of sleep over the weekend.Manhattan Faces Sandy With a Mixture of Concern and Carefree Spirits | Matthew DeLuca | October 29, 2012 | THE DAILY BEAST
But after he learned the trial was ending, he was losing sleep over what it could mean.
Do you ever lose sleep over those who killed themselves because you had invaded their privacy, or that of their loved ones?
It eventually settled down and though many lost sleep over it, people still went to work the next day.Diaries From Japan: Dispatches From People Living in Tokyo and Sendai | Brian Ries | March 16, 2011 | THE DAILY BEAST
Then he decided to sleep over it; and the next morning he wakened, and read it again—with a shock of surprise.Love's Pilgrimage | Upton Sinclair
It was an accidental sleep-over; she had not planned it, and circumstances would take care of themselves.The Man Between | Amelia E. Barr
If anything happened because you went to sleep over the key, you'd have them on your mind all your life, don't you know—forever.The Nerve of Foley | Frank H. Spearman
And of course, according to all baby precedent, he ought to have gone off into a sound sleep over it.East Lynne | Mrs. Henry Wood
So, stifling his longing to go home and to see his people, Peter decided to sleep over it before taking any definite steps.The Come Back | Carolyn Wells
British Dictionary definitions for sleepover
informal, mainly US an instance of spending the night at someone else's home
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Other Idioms and Phrases with sleepover
Spend the night as a guest in another's home, as in Karen's friend Wilma is going to sleep over tonight. [Second half of 1800s]
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.