What are deep-pocket sheets and do I need them?

Deep-pocket sheets have fitted sheets cut to fit thicker mattresses, typically those over about 14 inches deep, including ones with a pillow top or an added topper. A standard fitted sheet on a thick mattress pops off the corners overnight. To choose correctly, measure your mattress from the top surface to the bottom edge, then match it to the pocket depth on the label. If your mattress is a standard thickness, regular sheets will fit fine.


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