You have up to 90 nights from the time of delivery to exchange your mattress, or foundation, for another style or firmness. This is a one time courtesy. We ask that you allow at least 10 nights to let your body adjust before beginning the exchange process. Does not apply to custom sizes or materials, Mini Euro / Sofa Hide A Bed, Clearance mattresses, or crib sizes. Please contact your Product Specialist for further details.