Silentnight Sleep Now Dual Climate King Size Mattress
The Silentnight Sleep Now Dual Climate Mattress has a reversible cosy and cooling side with a cool-to-touch surface, which means you can choose a cooler or snugger feel depending on the season.
- Reversible cosy & cooling sides
- Body-hugging pressure relief
- 10-year guarantee
£399
Get the lowest price we've found
Save with the previous model
Some retailers still sell the earlier version of this mattress for less than the current model's best price.
Silentnight Sleep Now Dual Climate Mattress
More available sizes
Mattress details
Mattress
Silentnight Sleep Now Dual Climate Mattress
Size
Firmness
Construction
Memory Foam
Rolled
Depth (cm)
15
Layers
Layer Details
Key benefits
- More room each than a double: You each get 75cm of width, which is 7.5cm more per person than the UK double and enough to stop elbows meeting on most nights.
- Length for taller partners: At 200cm, or 6ft 6in, it is 10cm longer than the UK double, so a partner over six foot is less likely to have feet hanging off the end.
- A little more distance between you: The extra 15cm of width over a UK double puts slightly more space between you when one partner gets up early or turns over at night.
- Room to prop and shift: During pregnancy or recovery, the wider surface leaves space for supporting pillows on one side without pushing your partner towards the edge.
- One climate choice for both: The cosy and cooling sides span the full UK king, so agree as a couple which side suits the season, since you can't each pick your own.
This size suits you if...
You share the bed every night and have outgrown a double, one of you is over six foot and needs the 200cm length, or your schedules differ enough that a little more space between you would mean fewer broken nights.
Consider another size if...
Your bedroom is smaller than our suggested 2.7m x 2.9m once wardrobes are in. We'd recommend the UK double instead, which needs at least 2.6m x 2.8m.
Similar Mattresses in This Price Range
Did you know? On Mattress Unboxed we have over 1,000 different mattresses to suit all types of sleepers. View all mattresses.
FAQ's
Is the Silentnight Sleep Now Dual Climate king size big enough for two people?
For most couples, yes. The UK king gives 75cm each, which is 7.5cm more per person than the UK double. That's a modest gain on paper, but it's often the difference between brushing against each other all night and having your own patch. Silentnight doesn't make this mattress in a UK super king, so this is the widest option.
What size bedroom do I need for a UK king Silentnight Dual Climate?
We suggest allowing at least 2.7m x 2.9m, with 3.2m x 3.2m feeling comfortable. New build master bedrooms can feel tighter than expected once wardrobes and bedside tables go in, so measure the floor space that's actually free before you order.
Is a UK king mattress long enough if I'm over 6ft?
The UK king is 200cm long, or 6ft 6in, which is 10cm longer than the UK double. If one of you is over six foot, that extra length is often more noticeable than the extra width, and it's one of the main reasons tall couples size up.
What bedding fits the Silentnight Sleep Now Dual Climate in a UK king?
Standard king sheets fit the 150 x 200cm footprint, and a 230 x 220cm king duvet gives enough overhang for two. The mattress is a slim 15cm deep, so fitted sheets made for very deep mattresses may sit a little loose at the corners.
Should we choose the UK double or UK king Silentnight Dual Climate?
If your room meets our suggested 2.7m x 2.9m and you share every night, the UK king gives you 15cm more width and 10cm more length. The UK double suits smaller rooms, needing at least 2.6m x 2.8m, and gives 67.5cm each, which some couples find a little tight.