Can I use the mattress on a sofa bed? Simba - Odyssey March 28, 2018 23:55 Updated Follow We don't recommend using Simbas with a sofa bed as folding the mattress in that way may damage the spring layer inside. Related articles Do I need to use a mattress protector? Do I turn my mattress over regularly? Can I use an electric blanket with my Simba? Can I use an adjustable bed? Can I machine wash my Simba bedding?