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What is a pocket sprung mattress?
In short
A pocket sprung mattress uses individual steel coils, each sewn into its own fabric pocket, so neighbouring springs can compress more independently than in an open-coil Bonnell grid.
More detail
Spring count is the number of pockets in a stated size, not a universal quality score. Wire gauge, zoning, and comfort layers also determine support.
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Updated 2026-08-03. All answers