This buying guide explains how to choose the right orthopedic mattress for proper back support and long-term comfort. It covers what the term “orthopedic” truly means, why firmness should be selected based on sleep position and body type, and how different materials like memory foam, latex, innerspring, and hybrid constructions affect spinal alignment. The summary also highlights the importance of zoned support, pressure relief, durability, and testing a mattress through trials and warranties. Special considerations such as medical conditions, temperature regulation, motion isolation, and budget are discussed to help buyers make an informed decision. Overall, the guide helps readers understand how a well-chosen orthopedic mattress can improve sleep quality, reduce back pain, and support spinal health over time.