The Best Mattresses
Firmness marketing is meaningless. Pressure mapping and edge support aren't.
Eighteen months on a 40-person panel.
By Amara Whitfield, Sleep & Bedroom Editor · Published August 1, 2026 · 2 min read

Photograph: Travel Adventures / StockSnap
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Our long-term panel slept on the Classic in all three firmness options over eighteen months.
Pressure mapping showed even distribution for back and combination sleepers. Strict side sleepers preferred the plush soft option by a wide margin.
Coil-on-coil construction moves air. Overnight surface temperature stayed 1.8 °C below the foam average in our group.
The most broadly recommendable mattress we test, with the caveat that it is heavy and effectively immovable once built.
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Methodology
Every product here was tested in a working home against standardised tasks. Scores are the mean of five measured criteria and are never adjusted for commercial reasons. How we test · How we review.
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