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Buyer's guide, 24 pages, PDF

The Mattress and Pillow Buyer's Guide

The sleep science behind temperature, support and the air you breathe at night. What can actually be measured in a mattress and pillow, and the questions that separate a real answer from a good one.

Inside
Seven findings on sleep, heat loss and the sleep surface
The three temperatures involved, and why only one is on the thermostat
Seven mattress criteria, each with the standard it is tested to
Pillow criteria led by compressed height and shape, not filling
Six questions that cannot be answered with a brochure
What to change at home before replacing the bed
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Moisture is the second heat loss route, and the one bedding most often disables. Thermal resistance and water vapour resistance are assessed together, for the surface as sold.

How to use it

Ask for a number instead of an adjective, then notice what happens. Thermal and water vapour resistance to BS EN ISO 11092, firmness in newtons to BS EN ISO 2439, air permeability to BS EN ISO 9237, emissions to BS EN ISO 16000-9 and -6. No brand recommendations appear, because the consumer sleep market does not publish the figures that would make one checkable.

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Before you buy

The same discipline applies across the recovery channels. Each published question set separates what a supplier states from what has been independently measured at the point of use.

The diligence question sets