Firmness
Medium
Type
Hybrid
Depth (cm)
33
Number of Layers
3
Trial Period (nights)
60
Warranty (years)
5
Price Range
£699 to £1,239
Best Sleeping Position(s)
Certifications
Assessed from Silentnight's published specification for this mattress, captured September 2026, and from regular price comparison across our UK retail partners.
The main appeal here is comfort with cooling built in. The gel infused top layer is designed to respond to your movements and draw heat away, which means hot sleepers who still want a soft feel don't have to choose between the two. Underneath, 2000 pocket springs work independently, so your body gets support where it needs it and the zoned design is aimed at keeping your spine aligned. The boxtop adds a plush, even layer of pressure relief across the surface. Yes, the medium soft feel won't suit everyone, but for side sleepers and anyone who finds firmer mattresses uncomfortable on hips and shoulders, that softness is the point. The 60-night trial gives you time to be sure.
Key Features & what's inside
- UltraGel comfort layer. A gel infused layer that responds as you move, with cooling foam designed to chill and relax your body. In practice, this means less of the heat build-up you can get with standard foam.
- Boxtop. A sumptuous boxtop with advanced gel foam that spreads pressure and bodyweight evenly, which means fewer pressure points at your hips and shoulders. It adapts as you change position through the night.
- Mirapocket springs. 2000 Mirapocket springs, each in its own fabric pocket, so each one responds to your body independently. The zoned support is scientifically proven, according to Silentnight, to improve spinal alignment and posture.
Layer details from silentnight.co.uk product page, September 2026.
Who's it NOT for?
This is a medium soft mattress, so if you prefer a firm, supportive surface, or you're a heavier sleeper who tends to sink through softer layers, it's probably not the right fit. Stomach sleepers, who generally need firmer support to keep hips level, may also find it a little too yielding.
Silentnight UltraGel 2000 Pocket Box Top Mattress
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Is the Silentnight UltraGel 2000 soft or firm?
Silentnight describes it as medium soft, a little softer than a medium, for sleepers who need a little extra give. It suits side sleepers and anyone who finds firmer mattresses press on hips and shoulders, although fans of a firm feel should look elsewhere.
Does the Silentnight UltraGel 2000 sleep cool?
It's designed to. The top layer combines gel infused foam with cooling foam intended to chill and relax your body, and the boxtop uses advanced gel foam too. If you tend to overheat on all-foam mattresses, the pocket sprung core also helps air move through the mattress.
How deep is the Silentnight UltraGel 2000 mattress?
It's 33cm deep, which is on the taller side thanks to the boxtop construction. Slightly deeper fitted sheets are worth checking for, as standard ones can be a snug fit on a mattress this height.
What guarantee and trial does the Silentnight UltraGel 2000 come with?
Silentnight offers a 60-night trial and a 5-year guarantee, with delivery listed at 14 days. The trial means you can sleep on it at home before committing, which is reassuring given the softer-than-average feel.
What sizes does the Silentnight UltraGel 2000 come in?
Five UK sizes: Single, Small Double, Double, King and Super King. Prices range from £699 to £1,239 depending on the size you choose.
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