air mattress

That night, she says, she had too much to drink, so she wandered into one of the back bedrooms and fell asleep on an air mattress.

She read the book from cover to cover as she lay upon her air mattress, tucked snugly between her blankets.

He settled himself on his air mattress and drew the blankets over him.

But, dear traveler, it is much simpler to take an air-mattress and a foot-pump.