Now, a well-made air mattress can be almost as comfortable as a traditional mattress and comes at a fraction of the cost. The Ophanie King Air Mattress is on sale from Walmart for only $70.

The Mlily Ego White Twin Memory Foam Mattress is 62% off at Walmart, and it has over 2,500 perfect ratings.

Right now, we've spotted one of Walmart's top queen-sized air mattresses — the Ophanie 18-inch queen air mattress — on sale for just $60 (normally $90).

A shopper warns that Walmart may have tightened its return policy on certain items after she tried to get a refund on an air mattress.