Silentnight Sleep Now Dual Climate Double Mattress
Silentnight

Silentnight Sleep Now Dual Climate Double 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

£349

Size: Double. Available at Silentnight

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Where can I buy the Silentnight Sleep Now Dual Climate Double Mattress?

Below are the best prices for the Silentnight Sleep Now Dual Climate Mattress in a Double. Available from (9) trusted retailers.

Silentnight Sleep Now Dual Climate Mattress

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Prices last checked:
1st November 2026

Mattress dimensions for the Silentnight Sleep Now Dual Climate Double Mattress

Length: 190cm

Width: 135cm

(4ft 6in x 6ft 3in)

Minimum room size: 2.6m x 2.8m

Mattress details

Mattress Details for the Silentnight Sleep Now Dual Climate Double Mattress

Mattress

Silentnight Sleep Now Dual Climate Mattress

Size

UK Double (4ft 6in x 6ft 3in)

Firmness

Construction

  • Memory Foam

  • Rolled

Depth (cm)

15

Layers

Layer Details

Key benefits

Key Benefits of the Silentnight Sleep Now Dual Climate Double Mattress

  • Fits an ordinary bedroom: We suggest a room of at least 2.6m x 2.8m, which means most main bedrooms and plenty of second bedrooms can take it with furniture alongside.
  • A cooler side for two bodies: Two people under one duvet build up heat, so the cooling side gives you somewhere to turn in summer before flipping back to the cosy side for winter.
  • Easy, affordable bedding: Double sheets and a 200 x 200cm double duvet fit, which means you can kit out a first flat or guest room from ordinary high-street bedding.
  • A proper bed for visiting couples: In a spare room, the 4ft 6in x 6ft 3in footprint gives guests a genuine shared bed without the mattress taking over the whole room.
  • Space for one, plus the pet: Sleeping alone, you get room to stretch out, with enough left over if a dog or cat tends to settle at the foot of the bed.

Who should buy the Silentnight Sleep Now Dual Climate Double Mattress?

This size suits you if...

You share a bed in a typical UK bedroom and want room for two without losing the floor around it, or you're setting up a guest room or first home on a budget that's already stretched across every room.

Consider another size if...

You're both broad-shouldered or restless sleepers and 67.5cm each would feel cramped. We'd recommend the UK king instead, which gives 75cm each; we suggest at least 2.7m x 2.9m for the UK king.

FAQ's

Frequently Asked Questions About the UK Double

Is a UK double Silentnight Sleep Now Dual Climate big enough for two adults?

It gives 67.5cm each for two sharing, which most couples of average build manage comfortably. If one of you is tall, bear in mind the UK double is 10cm shorter than the UK king, and the UK king gives 7.5cm more space each.

What size bedroom do I need for a Silentnight Dual Climate double?

We suggest at least 2.6m x 2.8m. If you want bedside tables on both sides and a clear path around the bed, aim nearer 3m x 3m, which we consider the comfortable norm for a UK double.

How much bigger is the Silentnight Sleep Now Dual Climate double than the single?

The UK double is 45cm wider than the UK single, and the two are the same length. The extra width is what turns a one-person bed into a shared one. For the UK single, we suggest a room of at least 2.1m x 2.8m.

What bedding fits a Silentnight Sleep Now Dual Climate double mattress?

Standard double sheets fit the 135 x 190cm surface, and a 200 x 200cm double duvet covers it. The mattress is 15cm deep, so check the pocket depth on any fitted sheet you already own before buying new.

Can couples who sleep at different temperatures share the Dual Climate double?

Silentnight describes one cosy side and one cooling side, so you flip the whole UK double rather than choosing a side each. You'll both sleep on the same surface, which suits couples who feel the seasons alike more than those with opposite preferences.