sleep over

sleep over idiom
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® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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