If I needed to stay somewhere for a night, I might ask

Can I bunk with you tonight?

Note, this does not typically imply anything beyond an intent to sleep at a persons house.

Additionally

Abraham's servant decided to bunk at Rebecca's family's house.

The kind couple suggested to the poor man that he bunk bunk at their house.

If I needed to stay somewhere for a night, I might ask:

Can I bunk with you tonight?

Note, this does not typically imply anything beyond an intent to sleep at a persons house.

Additionally:

Abraham's servant decided to bunk at Rebecca's family's house.

The kind couple suggested to the poor man that he bunk at their house.