Pillow top mattresses can develop soft spots or wear unevenly over time, especially in areas that support the most weight. Rotating the mattress regularly can help slow the process. If keeping its shape longer is more important, a euro top mattress may be a better fit.

Yes. The extra cushioning in a pillow top mattress makes it one of the better options for side sleepers who need pressure relief at the shoulders and hips. Pair it with a supportive base, such as an innerspring or hybrid, for a balance of cushioning and proper spinal support.

No. Pillow top mattresses can only be used on one side because the comfort layer is sewn into the top. You can and should rotate the mattress from head to foot periodically to even out wear, but flipping it puts the pillow top against the bed frame, which defeats the purpose.