To provide a mattress with a finger-pressure effect with an appropriate stimulus, less oppressive sensation and being comfortable to sleep in.

The mattress has a constitution provided with a plate-like elastic flexible mat 1 (with a thickness of approximately 80 mm) with dimple- like processing on the whole surface of one main face 2a and a resin solidifying agent is applied and solidified on the top end side regions S of the projected parts 3 of the uneven processing (a region of approximately 1/2-1/4 of one projected part) and a plate-like low repulsive urethane foam mat 7 (with a thickness of approximately 30 mm) placed on the dimpled main face 2a of the elastic flexible mat 1.