SilentnightUltimate Luxury Deep Sleep

Polyester

£47Typical price

Test score

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The Silentnight Deep Sleep Ultimate 500 mattress topper is a cheap and widely available piece of bedding designed to breathe new life into any mattress. It’s described as ‘ideal for lighter and smaller sleepers who need a softer support’, but we wondered whether larger people will benefit from this topper too. This is just one of the issues our lab tests investigate – read the expert review for our findings.

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cons

What's included?

What is it?
What’s it like to lie on?
How comfortable are Silentnight mattress toppers?
Is Silentnight a good mattress topper brand?
Is there anything else I should know?
Should I buy it?

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KEY TEST RESULTS
Change in firmness
Change in pressure distribution
Change in body support

Apr 2024Last checked by Which?
Apr 2024First reviewed by Which?
Jan 2023Released

The overall Which? test score is made up of the following star ratings, all determined by our rigorous lab tests.

Overall performance

Change in firmness

How we test change in firmness

This result shows the difference in firmness this topper makes compared to our standard test mattress. A five-star rating here means this topper should help the mattress feel softer - which was one of the top buying considerations for our members when surveyed.

Change in pressure distribution

Change in body support

Overall
Change in body support lying on back
Change in body support lying on front
Change in body support lying on side

How we test change in body support

How much differece this topper makes to the body support offered compared to our standard test mattress. We measure for the three main sleeping positions - front, back and side.

Stability

How we test stability

Whether the mattress topper helps stop the transfer of movement across the surface of the mattress, making it less bouncy.

Washability

Brand comfort

General
Type	Polyester
Rolled up	Yes
Softness	7.5
Memory effect	Medium
Weight	3kg
Length	189cm
Width	131cm
Thickness	4.5cm
Testing information	This mattress topper is tested to our latest 2023 test programme.

Features
Removable cover	No
Machine washable	Yes

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SilentnightUltimate Luxury Deep Sleep

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