What's a good car to sleep in for under $5000?

I'm going on a long trip across America and need a car with lots of room to sleep in during it.

Currently I own a Honda Civic which is obviously not very roomy but uncomfortable.

So which car under $5000 is a good car for this long trip?

Read more: https://hondanews.net/civic/what-s-a-good-car-to-sleep-in-for-under-5000.html