Sleepeezee SmartTemp Ortho Mattress
Mattress
Sleepeezee SmartTemp Ortho Mattress
Size
Firmness
Firm
Construction
Depth (cm)
25
Layers
4
Layer Details
- Cover. A graphite cool cover with graphene, which means heat is drawn away from your body rather than trapped at the surface. Hot sleepers should notice the difference most.
- Gel layer. StaycoolTM Gel provides body-sensitive pressure relief while keeping the sleep surface cool. It cushions shoulders and hips without the warmth some foams build up.
- Support layer. A high-density support layer sits beneath the gel, adding structure. This is where much of the firm, supportive feel comes from.
- Springs. Pocket springs at the base move independently, so your partner's tossing is less likely to disturb you. The king size uses 1,000 springs; other sizes aren't detailed.
Layer details from furniturevillage.co.uk product page, September 2026.
- 90cm each when you share: Each of you gets the same width as a whole UK single, so a partner who turns over all night is far less likely to wake you.
- 15cm more each than the UK king: The UK super king is 30cm wider than the UK king at the same length, and that extra width gives each sleeper 15cm more.
- Space helps the cooling layers: Two people generate a lot of warmth, so sleeping further apart should leave the graphene cover and gel layer with less shared heat to draw away.
- A firm base for a crowded bed: A firm surface means a child tucked in beside you or a dog at your feet is slightly less likely to tip you towards a dip.
- In proportion with a large room: In a period bedroom or a spacious master, 180cm of width fills the floor sensibly where a smaller bed can look a little lost.
This size suits you if...
You share with a partner who moves a lot and want each person to have 90cm to themselves, or children and dogs often end up in the bed and you still want a proper share, and your bedroom comfortably clears our suggested minimum of 3m x 2.9m.
Consider another size if...
Your bedroom is under 3m x 2.9m, or a sloping loft ceiling limits which wall the bed can go on. We'd recommend the UK king instead, and we suggest at least 2.7m x 2.9m for it.
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Is the SmartTemp Ortho super king big enough for a restless partner?
Yes, for most couples. The UK super king gives 90cm each, and that distance does more to stop you being disturbed than any comfort layer. The pocket springs move independently too, which helps limit how far movement travels. If your partner sprawls diagonally, this is the size most likely to keep them on their own side.
Sleepeezee SmartTemp Ortho super king vs king: how much extra space do you get?
The UK super king is 30cm wider than the UK king and the same length. For two people sharing, the UK king gives 75cm each and the UK super king gives 15cm more each. If you only want more width for elbows and a bit of breathing room, the UK king may be enough; restless sleepers usually notice that extra 15cm.
Can kids and a dog share a super king SmartTemp Ortho?
A UK super king is the most practical choice if children wander in at night or a large dog sleeps on the bed as routine, because two adults still keep a reasonable share. The firm feel helps a little, as small bodies are less likely to create a dip that rolls everyone together. Expect a squeeze with two children plus a dog.
Does a bigger mattress sleep cooler for couples who run hot?
Width helps. The cooling cover and gel layer are the same in every size, but with 90cm each on the UK super king you can sleep further from your partner's body heat. On a smaller bed you are pressed closer together, so even a cooling mattress has more warmth to deal with. Hot-sleeping couples tend to benefit most from sizing up.
Will a super king fit in a loft conversion bedroom?
Only if the room has enough full-height floor. We suggest at least 3m x 2.9m for a UK super king, and in a loft conversion the slope usually decides which wall the headboard can go against. Measure where you can actually stand at the sides of the bed, and check the door swing and landing turns before you order.