to stay the night at sb else's home :
It's very late now—why don't you sleep over?
Can I sleep over at my friend's house?
—related noun sleepover
to stay the night at sb else's home :
It's very late now—why don't you sleep over?
Can I sleep over at my friend's house?
—related noun sleepover
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005