A quick and cheap stealth camper out of my 2010 Honda CR-V. Removed rear seats and levelled area with plywood. Added single bed platform.
Occasional overnight stops on work trips.
I used inexpensive thin poster board for these screens - easier to 'press' into the window so I could cut, and easily rolled up for storage when driving
Storage under bed frame.
I plan to buy an RV style cooler for keeping food fresh.
I bought a KingCamper ultralight cot off Amazon - the frame was built so this cot could rest upon it. The cot is 75" so I have plenty of space to lay flat