FAQ THE MATTRESSES CAN I USE THE MATTRESS ON A SOFA BED? SEE ALL QUESTIONS CAN I USE THE MATTRESS ON A SOFA BED? Our foam mattresses are not designed to be used in sofa beds. Repeated folding will cause long term damage to the materials. YOU MAY ALSO LIKE What’s thread count and why is it important? What setup do you recommend for a Casper mattress? Do you make custom size or RV mattresses? Can I use an adjustable base? When can I expect to receive my Casper products?