Every Supremacy mattress is British through and through; from the locally sourced materials we use inside them, to the British craftsmen that assemble them. It’s a traditional way of working that we’ve kept alive for five generations – a tradition that always puts luxury and comfort first.

Handmade in Yorkshire since 1840.

Introducing the most luxurious 100% natural fillings.
Nature is one of the most important contributors to a Somnus bed. Deep beyond the soft cover, each mattress has its own unique blend of luxurious upholstery fillings. Fillings that are known for their inherent resilience, breathability and temperature controlling properties. There are sumptuous layers of Yorkshire Dales Eco Wool, hand-teased long stranded horsetail, mohair, tree silk-cotton, cashmere, flax and hemp, some of which we grow on our own farm. Natural has never been so comfortable.

Environmentally sound sleep. Growing locally significantly reduces our impact on the environment.
In line with our vision to become the world’s most sustainable bed manufacturer, we grow hemp and flax on our farm in North Yorkshire. Grown naturally without the use of pesticides, the hemp plant locks up carbon dioxide, helping to reduce climate change. Hemp and flax fibres are perfect mattress fillings as they are absorbent yet mildew resistant with antibacterial properties, helping to keep the mattress fresh and hygienic.

Sheep experts. Sleep Designers.
On our farm in North Yorkshire we tend a very special flock of sheep and alpacas. They are behind the Yorkshire Dales Eco Wool and Alpaca Fleece that you’ll find inside our beds.
It’s a sustainable approach that guarantees our blend of upholstery is always 100% natural, ensuring supreme breathability and temperature control. A process that makes for a perfectly natural night’s sleep.


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  • Supremacy Duchess 19,000

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  • Supremacy Regent 8000

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