How does the 3-zone support help my back?
The 800-coil Quantum Edge core is tuned in three zones, with a firmer band under the hips and lower back, which is why it scores 9.1 out of 10 for spinal support, among the best we rate. Paired with a firm 7.5-out-of-10 tight-top surface, it keeps the spine aligned for back and stomach sleepers. It is not a plush pressure-relief bed for side sleepers.
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