Several outlets have published reviews and recommendations for the best mattresses for various types of pain, including shoulder, neck, and sciatica pain, as well as for specific groups such as older adults with arthritis and side sleepers. The reviews appear to be based on expert testing and data-backed research. The number of recommended mattresses varies across outlets, with some listing as few as 5 and others listing as many as 8 options for relief from specific types of pain.