Hypnos Purity Luxury Wool Double Mattress
The Hypnos Purity Luxury Wool is a medium-feel pocket sprung mattress built around natural fillings, chiefly British wool from Red Tractor assured farms, alongside responsibly sourced cotton.
- Wool & cotton keep you cooler
- Eases pressure at hips & shoulders
- Minimises partner disturbance
£1,179
Get the lowest price we've found
Save with the previous model
Some retailers still sell the earlier version of this mattress for less than the current model's best price.
Hypnos Purity Luxury Wool Mattress
More available sizes
Mattress details
Mattress
Hypnos Purity Luxury Wool Mattress
Size
Firmness
Medium
Construction
Wool
Depth (cm)
26
Layers
5
Layer Details
Cover
A damask cover made from breathable Belgian damask fabric. It lets air pass through rather than trapping heat at the surface.
Solotex™ cushioning
Layers of soft Solotex™ cushioning gently cradle the body, which means pressure relief at your hips and shoulders. This is the plush feel you'll notice first.
Wool and cotton fillings
Sumptuous wool fleeces from British sheep on Red Tractor assured farms work alongside responsibly sourced cotton. Together they regulate temperature and wick away moisture, a genuine help for hot sleepers.
eOlus™ comfort pad
An eOlus™ recycled fibre pad enhances resilience and airflow. It helps the comfort layers keep their shape over time.
ReActivePro™ pocket springs
An 8-turn pocket spring system with Triple Edge Protection™, engineered to respond independently to body movements. In practice that means adaptive support tailored to your shape and a firmer, more usable edge.
Layer details from mattressnextday.co.uk product page, September 2026.
Key benefits
- Sharing space that works: Two people sharing get 67.5cm each, and the 8-turn pocket springs respond independently, so a partner turning over is felt less across that shared width.
- Room to walk around: At 4ft 6in x 6ft 3in, the UK double fits comfortably where a UK king would crowd the walls, usually leaving space for bedside tables on both sides.
- Edge support matters more at this width: Couples on a UK double often sleep nearer the sides, and Triple Edge Protection™ keeps the perimeter supportive rather than letting you roll off the edge.
- Wool for two warm bodies: Two sleepers in 135cm generate heat, so the British wool and cotton fillings, which wick moisture and regulate temperature, are genuinely useful at this size.
- Bedding is easy and cheap to find: Standard double sheets and a 200 x 200cm duvet fit, stocked everywhere at every price, which helps if you're kitting out a whole home at once.
This size suits you if...
You share the bed every night and want the classic couples' size that still leaves your bedroom feeling like a room, or you sleep alone and want proper space to stretch out, perhaps with a dog or cat claiming a corner. It also suits a guest room that hosts visiting couples, since a UK double is the size most guests expect.
Consider another size if...
You and your partner both want more personal space and your room measures at least 2.7m x 2.9m. In that case we'd recommend the UK king instead, which is 15cm wider and 10cm longer than the UK double.
Similar Mattresses in This Price Range
Did you know? On Mattress Unboxed we have over 1,000 different mattresses to suit all types of sleepers. View all mattresses.
FAQ's
Is a UK double Hypnos Purity Luxury Wool big enough for two adults?
For most couples, yes. Two people sharing the UK double get 67.5cm each, and the pocket springs respond independently, so movement transfers less across the bed. If either of you is tall or a restless sleeper, the UK king adds 15cm of width and 10cm of length, provided your room allows at least 2.7m x 2.9m.
What room size do I need for the Hypnos Purity in a UK double?
We suggest a minimum of 2.6m x 2.8m, with around 3m x 3m the comfortable norm. That allows for bedside tables on both sides and room to open a wardrobe, which is exactly where the UK double earns the nod over a UK king in a typical British bedroom.
Will the double Hypnos Purity fit up narrow stairs?
It needs more thought than a boxed mattress. The Purity arrives flat rather than rolled, which protects the natural fillings but means carrying the full 135 x 190cm up your stairs. Measure any turning stairs in older terraces or tight new build landings before ordering, and check access with the retailer you buy from.
How much space does each person get on this mattress in a double?
Two people sharing get 67.5cm each, noticeably less than each would have on a UK single. The independent pocket springs and firm edges help you use the full width, but if you both like to sprawl, the UK king is 15cm wider and worth considering where the room allows.
Is the UK double a good choice for a guest room?
A sensible one. It comfortably sleeps visiting couples, and the wool and cotton fillings suit guests whatever their sleeping temperature. The medium feel is the safest bet for people whose preferences you don't know. Check the room measures at least 2.6m x 2.8m so guests can actually move around the bed.