How firm does this mattress actually feel?

Genuinely firm, and you stay near the surface. With only a thin 1.75-inch comfort layer over 1200 pocketed coils, the Sealy Posturepedic Plus 1200 Series keeps you on top of its supportive base rather than sinking in. Spinal support scores 9.4, among the highest we measure. Several owners found it extra firm at first, softening to a comfortable level over the first few weeks. Back and stomach sleepers, and anyone who aches on a soft bed, are the clear fit.

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