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Firm mattresses

Firm mattresses keep the surface flatter under load. They tend to suit back and front sleepers, and heavier sleepers who sink too far into softer models.

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What to check for firm mattresses

  • Firmness wording is not standardised — we show the manufacturer's own description next to our comparable rating.
  • Firm support does not have to mean a hard surface; comfort layers change how firm a mattress feels.