Silentnight Just Sleep Breathe King Size Mattress
The Silentnight Just Sleep Breathe is part of Silentnight's Just Sleep range of rolled mattresses, available in UK Single, Double and King.
- Medium-firm feel with steady support
- Breathable layers keep you cooler
- Hypoallergenic soft-touch cover
£479
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Silentnight Just Sleep Breathe Mattress
More available sizes
Mattress details
Mattress
Silentnight Just Sleep Breathe Mattress
Size
Firmness
Medium Firm
Construction
Rolled
Depth (cm)
Layers
Layer Details
Key benefits
- 75cm each when sharing: Two people sharing get 75cm of width each, which means you can stretch out or shift position without a nightly negotiation over territory.
- Less partner disturbance: If one of you gets up hours before the other, the wider surface means less movement carries across, so early alarms are easier to sleep through.
- Extra length for taller sleepers: At 200cm long, the UK king adds 10cm over a UK double, welcome if either of you is approaching six foot and tired of feet hanging off the end.
- Room for changing needs: During pregnancy and the months after, the extra width makes space for propped pillows and constant repositioning without pushing your partner to the edge.
- Fits a typical master bedroom: We suggest a room of at least 2.7m x 2.9m, which most UK master bedrooms can manage once wardrobes are accounted for.
This size suits you if...
You share the bed every night and a double has started to feel cramped, one of you is tall enough that a 190cm mattress leaves feet at the edge, or your sleep schedules clash and you want movement on one side to stay on one side.
Consider another size if...
Your bedroom measures under 2.7m x 2.9m, our suggested minimum for a UK king, and squeezing one in would leave no walking space. We'd recommend the UK double instead, which needs at least 2.6m x 2.8m.
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FAQ's
Is the Silentnight Just Sleep Breathe king big enough for a couple?
Yes, comfortably for most. The UK king gives 75cm each for two people sharing, noticeably more personal space than a double offers. If one of you moves a lot at night or you're sharing with a dog that claims its own patch, that extra width is what stops disturbance becoming the norm.
Will the UK king Just Sleep Breathe fit in my bedroom?
We suggest a room of at least 2.7m x 2.9m for a UK king, which allows walking space on both sides and room for the door and drawers to open. Measure with wardrobes in place: new build masters often look bigger empty than they are furnished.
Is the king version of this mattress good for tall sleepers?
The length is the main draw. At 200cm, the UK king is 10cm longer than the UK double, so anyone approaching six foot gets proper clearance rather than heels at the edge. If length matters more than width for you, the king is the sensible step up in Silentnight's Just Sleep range.
What bedding do I need for this mattress in a UK king?
Standard UK king fitted sheets, sized for 150 x 200cm, and a king duvet at 230 x 220cm. Some couples size the duvet up to a super king to end overnight tug-of-war, but standard king bedding fits this mattress as intended.
How much bigger is the king than the double in this range?
The UK king is 15cm wider and 10cm longer than the UK double. That 15cm sounds modest on paper but you feel it every night, especially if your schedules differ or one of you is recovering from injury and needs room to get in and out without disturbing the other.