Hypnos Bryher Mattress

Assessed from the specification published by featherandblack.com, captured November 2026, and from regular price comparison across our UK retail partners.

The natural fillings are the main draw. Wool and cotton are breathable, so this should suit you if you want a mattress made from natural materials rather than synthetic foam. The four hand-stitched rows of border support are there to give you firm, usable edges, which helps if you sit on the side of the bed or share it and want to use the full width. Hand tufting is a sign of traditional construction that keeps the filling in place. It's also turnable, so you can rotate it head to toe to spread the wear. The 10-year guarantee adds some reassurance, although the product page doesn't say whose guarantee it is.

Eco-conscious buyers
Natural latex, British wool, cotton, hemp and flax fill this mattress, so you get natural materials rather than synthetic foam.

Warm sleepers
Wool and cotton fillings are breathable, which should help the bed feel fresher if you tend to run hot overnight.

Couples
Four hand-stitched rows of edge support give firm, usable edges, so two people can use the full width of the bed.

If you need to know the firmness before you buy, this might not be the best choice, because Hypnos doesn't publish a single rating and the product page lists several options. It's also a premium mattress, so it may be more than you want to spend. Anyone who prefers a memory foam feel will find the natural fillings different.

How firm is the Hypnos Bryher?

Hypnos doesn't publish a single firmness for it. The retailer product page lists Medium, Firm and Extra Firm options, so check which one you're choosing before you buy.

What sizes does the Hypnos Bryher come in?

It comes in a UK single, UK small double, UK double, UK king and UK super king. The only dimensions given are for the UK king, at 150 x 200cm.

How deep is the Hypnos Bryher?

It's 31cm deep. That's a good depth for a traditional pocket spring mattress, so check your bed frame and bedding will suit it if you're changing from a slimmer one.

What is the Hypnos Bryher made from?

It uses ReActivePro 10-turn pocket springs with natural latex, British wool, cotton, hemp and flax. The cover is a seaweed-infused tick. The spring count and layer order aren't published.

Do you need to flip the Hypnos Bryher?

No. It's described as turnable, and the retailer asks for head-to-toe rotation rather than flipping. Rotating it regularly helps wear spread evenly across the surface.