Not only can they be folded and stored away when not in use ... A trifold mattress (also known as a z-bed or folding mattress) is a mattress that's designed to be folded three times. They consist of ...

Fitted sheets are not only far, far easier to put on the bed, but they also pull your sheet flat, and won't displace themselves at the slightest movement, leaving you lying on your mattress ...