Silentnight Comfort Breathe 2000 Mattress
Mattress
Silentnight Comfort Breathe 2000 Mattress
Size
Firmness
Construction
Depth (cm)
31
Layers
5
Layer Details
- Sleep surface. A naturally hypoallergenic fabric that's soft against the skin. A gentle starting point, particularly if allergies bother you at night.
- Comfort Breathe®. These fibres are 15x more breathable than standard memory foam, which means air moves through rather than trapping heat. If you're a hot sleeper, this is the layer doing the heavy lifting.
- 2000 Mirapocket springs. Each spring sits in its own pocket and responds independently to your movements. That gives zoned support and better spinal alignment, and it limits motion transfer between partners.
- Protective Layer. This layer disperses pressure from the spring unit across the mattress. In practice, that should help the mattress last longer before it starts to sag.
- Durable case. A soft, hardwearing outer case designed to keep the mattress comfortable for years to come.
Layer details from silentnight.co.uk product page, September 2026.
- Room to sleep apart, together: At 75cm each for two people sharing, you can both stretch out without negotiating territory in the middle of the night.
- Movement stays on their side: The pocket springs respond independently, which means an early riser slipping out at 5am is far less likely to wake you across a 150cm width.
- Length for taller sleepers: The UK king is 10cm longer than the UK Double, so a partner nudging six foot gets their feet on the mattress rather than off the end.
- Cool across a bigger surface: The Comfort Breathe fibres are 15x more breathable than standard memory foam, and with more space each you're less likely to share body heat anyway.
- Fits most master bedrooms: We suggest at least 2.7m x 2.9m for a UK king, which most doubles-turned-masters can manage with bedside tables on both sides.
This size suits you if...
You share the bed every night and a double now feels cramped, one of you gets up hours before the other and you'd rather not feel it, or someone in the bed is approaching six foot and needs the 200cm length. It's also a sensible pick if the dog has quietly become a permanent third sleeper and you want your share of the mattress back.
Consider another size if...
Your bedroom is smaller than the 2.7m x 2.9m we suggest for a UK king. In that case we'd recommend the UK double instead, which needs at least 2.6m x 2.8m and still suits two sharers.
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Is a UK king Silentnight Comfort Breathe 2000 big enough for a couple?
Comfortably, for most. You get 75cm each for two people sharing, and the 2000 Mirapocket springs keep one partner's movement from travelling across to the other. If you're both broad-shouldered or a dog routinely joins you, the UK super king adds another 30cm of width, but for most couples the UK king is the sweet spot.
Will the UK king suit a partner over six foot?
It's the size we'd point tall sleepers towards. At 200cm long, the UK king is 10cm longer than the UK Double, which is often the difference between feet on the mattress and feet hanging off it. Width helps too, as taller sleepers tend to sprawl diagonally, and 150cm gives room for that.
What room size do I need for a king size Comfort Breathe 2000?
We suggest at least 2.7m x 2.9m, which leaves enough space to walk round the bed and open drawers. New build master bedrooms can be tighter than they look once fitted wardrobes go in, so measure the usable floor rather than the room. If it's borderline, the UK double needs at least 2.6m x 2.8m.
Does the king size reduce partner disturbance on this mattress?
Yes, on two fronts. Each of the 2000 pocket springs moves independently, so getting in and out doesn't ripple across the bed, and the 150cm width simply puts more mattress between you. If your schedules are hours apart, that combination matters more than any single spec.
What bedding fits the Comfort Breathe 2000 in a UK king?
Standard UK king sheets and a 230 x 220cm king duvet. One thing to check is depth: this mattress is 31cm deep, so look for fitted sheets with a deep enough box, ideally labelled for mattresses over 30cm, or they'll ping off the corners.