Hypnos Orthos Support 7 Firm Super King Mattress
The Hypnos Orthos Support 7 Firm is a pocket spring mattress built around Hypnos's ReActive 7-turn pocket springs, which flex individually so the mattress can follow the shape of your body rather than pushing back as one flat surface.
- Suits back & heavier sleepers
- Helps keep your spine level
- Minimises partner disturbance
£1,546.15
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 Orthos Support 7 Firm Mattress
More available sizes
Mattress details
Mattress
Hypnos Orthos Support 7 Firm Mattress
Size
Firmness
Firm
Construction
Pocket Spring
Depth (cm)
Layers
6
Layer Details
British wool top layer
Two layers of British wool from Red Tractor-assured farms form the breathable top of the mattress. That helps air move through the surface, so it should feel less stuffy as you sleep.
Cotton layer
Two layers of responsibly sourced cotton sit inside the wool layers. They keep you cool and dry, which is helpful if you tend to warm up overnight.
eOlus recycled fibre comfort pad
An adaptive comfort pad made from eOlus recycled fibre sits above the springs. It adds a little cushioning between you and the firm spring core, though the overall feel stays firm.
ReActive 7-turn pocket spring core
The core is Hypnos's ReActive 7-turn pocket spring system, which gives targeted support. The springs work independently, so you get firm, even support and less movement carried across the bed to a partner.
Cotton layer
A second layer of responsibly sourced cotton sits beneath the springs. It mirrors the cotton above, so the mattress stays cool and dry from both sides.
British wool bottom layer
A breathable British wool layer forms the base. Because the mattress is flippable, you can turn it over to spread wear, and the wool underneath keeps the same airy feel.
Layer details from mattressman.co.uk and snug-interiors.com product pages, October 2026.
Key benefits
- 90cm each for two people sharing: Each of you gets 90cm of width, so you can stretch out on a firm surface without negotiating over the middle of the bed.
- Distance plus independent springs: The ReActive 7-turn pocket springs flex on their own, and combined with all that width a fidgeting partner becomes something you barely register.
- Room for the whole household: If children pad in at 3am or a large dog treats the bed as routine, this is the size where everyone still fits.
- Firm support holds at the edges: On a stable, firm mattress this wide, sleeping near the edge to make space feels secure rather than precarious.
- The right scale for a big room: In a large master or a period bedroom, a UK king can look undersized, whereas the UK super king fills the space in proportion.
This size suits you if...
You share the bed every night and want the most sleeping space a standard UK size offers, your partner tosses and turns and distance matters more to you than any comfort layer, or your household routinely includes a child or dog joining you by morning. Your room should comfortably clear our suggested 3m x 2.9m minimum, and you want a firm, stable feel across all of it.
Consider another size if...
Your bedroom falls short of the 3m x 2.9m we suggest for a UK super king, or the extra width would crowd your wardrobes and door swing. We'd recommend the UK king instead, which needs at least 2.7m x 2.9m.
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
How much space do two people get on the Hypnos Orthos Support 7 super king?
You get 90cm each for two people sharing, across the full 180 x 200cm surface. On a firm mattress like this one, that width means you can each settle into your own side and stay there, with the ReActive 7-turn pocket springs responding to your body rather than your partner's.
Is the super king Hypnos Orthos Support 7 good for a restless partner?
It is one of the better setups for it. The pocket springs flex individually, which limits how much movement travels across the bed, and the 180cm width adds plain physical distance on top. The firm tension also means less overall bounce, so turning over disturbs the surface less than on a softer bed.
Do I need a bigger room for a UK super king than a UK king?
Yes. We suggest at least 3m x 2.9m for the UK super king, against at least 2.7m x 2.9m for the UK king. Before committing, check the door swing clears the footboard end and that you can still walk both sides comfortably, because this size dominates an average room.
Should I get the Hypnos Orthos Support 7 in a UK king or super king?
The UK super king is 30cm wider than the UK king, and the two are the same length, so the decision is purely about width. If children or pets regularly end up in the bed, or your partner is restless, the extra 30cm is well spent. In a smaller room, the UK king would suit you better.
Is a super king sensible if children come into the bed at night?
It is the size where that habit stops ruining your sleep. At 6ft x 6ft 6in there is room for a small visitor without anyone hanging off the edge, and the firm, stable surface holds its shape under uneven weight. Slightly bigger bedding is the trade, with super king sheets and a 260 x 220cm duvet.