SleepSoul Heaven 1000 Pocket Gel Super King Mattress
The SleepSoul Heaven 1000 Pocket Gel is a medium hybrid mattress that pairs 1,000 pocket springs with cooling gel layers under a pillow top.
- Gel layers help you sleep cooler
- Minimises partner disturbance
- Pillow top adds a plusher feel
£357
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SleepSoul Heaven 1000 Pocket Gel Mattress
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Mattress details
Mattress
SleepSoul Heaven 1000 Pocket Gel Mattress
Size
Firmness
Medium Firm
Construction
Foam
Pocket Spring
Hybrid
Gel
Depth (cm)
25
Layers
5
Layer Details
Knitted cover
A soft knitted top layer that adds cosiness and warmth. Knitted covers are breathable, which means heat can escape rather than build up under you.
Pillow top
An extra layer of padding sewn on top, which means a slightly more luxurious, cushioned feel when you first lie down.
Cool Gel
A 2cm gel layer that responds to your body temperature and gently contours to your shape. It's designed to help prevent overheating through the night.
Gel Foam
Gel-infused foam that sleeps cooler than traditional memory foam. It cushions pressure points, which can help soothe aches and pains.
Pocket Springs
Individual springs encased in cloth pockets that move independently. This means each part of your body gets support where it needs it, and movement is less likely to disturb a partner.
Layer details from mattressonline.co.uk product page, September 2026.
Key benefits
- Distance from a restless partner: With 90cm each and springs that move independently, a partner who turns repeatedly is further away and less likely to jolt your side of the bed.
- Room when the family joins in: A child who wanders in overnight, or a large dog that sleeps on the bed as routine, can take up space without pushing either adult towards the edge.
- Wider than a king, same length: The UK super king is 30cm wider than the UK king and the same length, so each of you gains 15cm across the bed.
- In proportion in a large room: In a big master bedroom or a period room with generous proportions, a UK super king looks settled where a UK king can look a little lost.
- Cooling for a shared bed: Two bodies in one bed make more heat, and the gel foam and 2cm Cool Gel layer are designed to help stop either of you overheating.
This size suits you if...
You share the bed with a partner who tosses and turns, or with children and pets who regularly find their way in, and your bedroom comfortably clears our suggested 3m x 2.9m.
Consider another size if...
Your bedroom is smaller than our suggested 3m x 2.9m, or you mostly sleep alone. We'd recommend the UK king instead, which we suggest for rooms of at least 2.7m x 2.9m.
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FAQ's
Is a UK super king SleepSoul Heaven 1000 big enough for two adults and a child?
For occasional visits, yes. Two adults get 90cm each across the 180cm width, which leaves enough give for a small child without anyone clinging to the edge. If a child joins you most nights, the UK super king is the size we'd choose, as no other size of this mattress is wider.
SleepSoul Heaven 1000 super king or king: which is better for couples?
The UK super king is 30cm wider than the UK king and the same length, giving each of you 15cm more. If either of you is a restless sleeper, you'll notice that gap. The trade-off is floor space: we suggest at least 3m x 2.9m for the UK super king and 2.7m x 2.9m for the UK king.
Will I feel my partner move on a Heaven 1000 UK super king?
Less than on a smaller size. The pocket springs move independently, which limits how far movement travels, and at 90cm each there is simply more mattress between you. You may still feel a very restless partner a little, but the distance does most of the work.
Can a SleepSoul Heaven 1000 super king fit in a loft conversion bedroom?
It can, if the usable floor meets our suggested minimum of 3m x 2.9m. The sloping ceiling usually decides which wall the headboard goes against, so measure with the slope in mind. Check the landing turns and door swing too, because a mattress this wide is the hardest to get upstairs.
How much bigger is the UK super king than the UK double Heaven 1000?
The UK super king is 45cm wider and 10cm longer than the UK double, and it gives each of two sharers 22.5cm more. That extra length also helps taller sleepers. It needs a bigger room, though: we suggest at least 2.6m x 2.8m for the UK double, against 3m x 2.9m for the UK super king.