Hypnos Zen Mattress
Mattress
Hypnos Zen Mattress
Size
Firmness
Construction
Depth (cm)
27
Layers
4
Layer Details
- Viscose Blend Breathable Sleep Surface. A soft viscose blend cover that promotes airflow, which means the sleep surface stays cooler and fresher through the night. It's the first line of temperature control before you reach the comfort fibres beneath.
- Solotex™. Solotex is a recycled fibre that's fully breathable. It adds a softer touch near the surface without trapping heat the way some foams can.
- eOlus™ Fibres. These fibres are designed to offer resilient body support while letting air and moisture pass through easily. In practice that means cushioning that recovers its shape rather than compacting over time.
- ReActive™ 6-Turn Pocket Springs. Hypnos's ReActive 6-turn pocket spring system provides spinal and body support, with each spring sensing and responding to your weight independently. That independence also helps limit movement transferring across the bed if you share it.
Layer details from mattressnextday.co.uk product page, September 2026.
- 90cm of width each: Two people sharing get 90cm each, which means one of you can fidget, stretch or starfish without the other noticing much at all.
- Distance plus spring isolation: The ReActive 6-turn pocket springs respond to weight independently, and at this width that isolation combines with sheer distance to keep a partner's movement away from you.
- Space for the whole household: If children or a large dog treat your bed as theirs, the extra width means everyone keeps a workable share of the mattress.
- Cooler when sharing: The breathable Solotex and eOlus fibres let heat escape rather than build, which matters more when two or three bodies are warming the same surface.
- Suits a larger master: In a period property or generous new build master, a UK king can look undersized; the UK super king fills the room properly. Allow at least 3m x 2.9m.
This size suits you if...
You share the bed every night and want the most space a standard UK size offers, your children or pets regularly join you and everyone needs their own patch, or your partner is genuinely restless and you've realised distance solves what no comfort layer can. Your bedroom should measure at least 3m x 2.9m, ideally more, so the bed doesn't dominate the room.
Consider another size if...
Your bedroom falls short of the 3m x 2.9m we suggest, or you'd struggle to get a mattress this wide round your landing. We'd recommend the Hypnos Zen in a UK king instead: it's 30cm narrower, the same length, and needs at least 2.7m x 2.9m.
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Is the Hypnos Zen super king good for couples with a restless partner?
Yes, arguably the best case for it. Each of you gets 90cm of width, and the ReActive pocket springs compress independently under each sleeper, so movement on one side transfers poorly to the other. At this size the gap between you does most of the work, with the springs handling the rest.
What room size do I need for the Hypnos Zen super king?
We suggest a minimum of 3m x 2.9m, and the bed will feel more comfortable in the room with a little beyond that. This is our own guidance, not the manufacturer's. Measure for bedside tables and door swing too; at 180cm wide, this size fills rooms that a UK king leaves feeling spacious.
Should I get the Hypnos Zen in a UK king or a UK super king?
The UK super king is 30cm wider than the UK king and the two are the same length, so it's purely a question of width and room size. If children or pets share regularly, or your partner is restless, the extra 30cm is felt every night. In a room under 3m x 2.9m, take the UK king.
Is the super king Hypnos Zen practical for families sharing with children?
It's the size we'd point families towards. When a child wanders in at 3am, 180cm of width means the adults still keep a reasonable share rather than clinging to the edges. The medium firm pocket spring build also stays supportive across the full surface, so nobody rolls into a soft middle.
Will the Hypnos Zen sleep hot with two people on it?
Less than a foam mattress would. The viscose blend cover, Solotex and eOlus fibres are all breathable, letting air and moisture pass through rather than trapping heat, and in this size two sleepers sit far enough apart that you're not sharing each other's warmth anyway. Compare the retailers listed on this page for current pricing.