Emily couldn't ask a friend for a sleepover until she cleaned her room.

埃米莉直到把房间清理干净了才会叫朋友来过夜。

《柯林斯英汉双解大词典》

What about suggesting a sleepover at a friend's house so they can enjoy their independence?

考虑下他们在朋友家过夜，这样他们就可以享受自己的独立生活，怎么样?

youdao

Hang sheets from bookshelves and sofas, then get out the sleeping bags for a sleepover in the fort.

从书架和沙发那里挂张被单，然后拿出睡袋在堡垒里过夜。

youdao

"Attend a sleepover,have a play date, watch TV or play computer games, be in a school play, get any grade less than an A."

VOA: special.2011.02.17

Then the two men and their wives choppered to Camp David for a sleepover.

CNN: Love at First Wonk

She described how he asked her friend if she wanted a sleepover at his daughter's house and she responded "maybe".

BBC: April Jones case: Mother's 999 call played to jury

One was friendly with his daughter and he invited her for a sleepover but she declined and he drove away.

BBC: April Jones case: Jury visits Mark Bridger's home