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Silentnight Impress Memory Foam Mattress Topper Review

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Written By Connie

CPD Sleep Consultant

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1 April 2024 6 min read

In this Silentnight Impress Memory Foam mattress topper review, we're going to see how much this topper can help in the quest of attaining a perfect night's sleep.

Silentnight is a trusted bed brand that commonly tops the charts with its products. However, that doesn't mean that each one shouldn't be looked at with meticulous detail. So, today we're going to do just that and hopefully answer any questions you might have about the Impress 7cm memory foam mattress topper.

So, if you want extra comfort for your mattress, stick around until the end of our Silentnight Impress Memory Foam mattress topper review and see whether it's perfect for you!


An icon depicting a hand pressing a memory foam, illustrating a comfortable product
Comfortable memory foam
Soft memory foam filling adds a comfort layer.
an icon depicting a removable cover
Washable cover
Remove the cover & wash it.
An icon depicting a man with pain in back
Good for back pain
Offers pressure relief by alleviating pressure points.


An icon depicting a heavyweight person, illustrating a product that is not suitable for overweight people
Not ideal for heavier sleepers
Those who are heavy sleepers may find that it is not firm enough for them.
an icon depicting lack of straps
No straps
Cannot be securely attached to the mattress.
An icon depicting off gassing
Slight off gassing
There might be some slight off-gassing, due to the use of memory foam.

Who is the Silentnight Impress 7cm Memory Foam mattress topper for?

As a relatively thick memory foam mattress topper, the Impress 7cm Memory Foam mattress topper focuses on comfort above all else. And it's also hypoallergenic throughout. Therefore, it's a great option for:

Does the Silentnight Impress 7cm Memory Foam mattress topper come in different versions?

The Impress memory foam mattress topper also comes in three different versions with varying depths. This means that you can easily fine-tune the exact model that best suits your needs and helps you get a good night's sleep.

Silentnight 2.5 cm Memory Foam mattress topper

This is the thinnest of the three Impress memory foam mattress toppers, so it's an excellent choice if you only want a slight change to how your mattress feels.

Silentnight 5 cm Memory Foam mattress topper

This is the middle ground of the three options. So, an excellent choice if you don't want the topper to be too thin or too thick.

An image of the Silentnight Impress memory foam topper at three different thickness levels

What do we use this product for?

As with any mattress topper, the Impress mattress topper serves to make your sleep better and add exceptional comfort. To be more precise, we can use this product for:

Features you should know about the Impress 7cm Memory Foam mattress topper

Now let's dissect the Silentnight Impress 7cm Memory Foam mattress topper, discussing what exactly makes it worth getting for your bed.

Our reviewer unzipping the silentnight impress memory foam mattress topper
Pressure relieving

This is in our opinion the main selling point for this topper. Since it's 100% memory foam, the topper can adapt to your unique body shape and provide exceptional comfort.

When laying on this topper, your body sinks into the Impress memory foam, cocooning you from all sides. As you could imagine, this makes you feel snug. Plus, it does away with any strain that would usually be placed on your body, reducing aches and relieving those pressure points.

Overall, the Impress memory foam goes a long way in making your sleep better. It offers comfort, extra support, and pain relief.

Removable cover

If you've never owned a foam mattress topper before, you might think that having a removable cover isn't a big deal. However, it's way more important than you'd think.

Foam toppers are notoriously difficult to clean, as the foam would be severely damaged if you even threw it into a washing machine. This is also why a lot of people get a mattress protector if they have a foam mattress.

However, if the covers are removable, it's the simplest thing in the world to keep your topper feeling fresh. Just take the cover off, throw it into the washing machine, and your topper will feel brand-new.


If you happen to suffer from allergies, getting a mattress and/or mattress topper that will not irritate your system is of vital importance. After all, who wants to be sneezing the entire night?

Luckily, the Impress 7cm Memory Foam mattress topper is completely hypoallergenic, meaning that it's not likely to cause any types of allergic reaction. It might seem like a minor detail but it is one you will thank us for in the long run!

Review of the Silentnight Impress Memory Foam Mattress Topper

our reviewer sitting on the Silentnight Impress Memory Foam Mattress Topper

This topper has a lot to offer. It can make a tired mattress feel brand new, and the pain relief it provides makes it a worthwhile investment. And if you just want your mattress to feel a bit softer, this is the most efficient way to go about it!

However, it's not exactly perfect. It suffers from the same downfalls as most memory foam mattress toppers, and getting an appropriately fitted sheet for this topper has shown to be more difficult than expected.


  • Size: Single, Small Double, Double, King, Super King
  • Depth: 7 cm
  • Cover material: N/A
  • Filling material: Memory foam
  • Hypoallergenic: Yes
  • Removable cover: Yes
  • Care instructions: Covers are machine washable
  • Warranty: 2 years
  • Trial: N/A
  • Delivery info: Free delivery in the UK

What we like about the Silentnight Impress 7cm Memory Foam mattress topper

our reviewer squeezing the Silentnight Impress Memory Foam Mattress Topper

If you're still wondering whether you should get this product but you don't like to read reviews, here's the sweet and short of it. The topper has three distinct selling points:

  • Increased comfort – it is so soft, it can make just about any bed feel ten times better.
  • Pain relief – If you're waking up every morning with body aches (especially in your spine and neck), you will find your pressure points are supported.
  • Easy maintenance – since you can just take the cover off and machine wash it, this is one of the most low-maintenance products on the market.

What we didn’t like about the Silentnight Impress 7cm Memory Foam mattress topper

All of that being said, you ought to keep these three things in mind – as no product is ever perfect.

The common problems with the Silentnight Impress 7cm Memory Foam mattress topper

The most common problem you're likely to face with this foam mattress topper is off-gassing. And the solution is rather simple – just leave it in a well-ventilated room for a night or two. Not only will the smell disappear, but the topper will also have time to fully expand.

Another problem is the topper can slip if you move a lot during the night because there is no way of securing it to the mattress – so, it is worth using a fitted sheet to keep it in place for longer.

Silentnight's customer service and company information

Delivery – There is free shipping available, and the delivery is within 5 working days.
Payment – You can pay with standard card payments, as well as split payments using Klarna or SplitIt.
Customer service – On their website, there is an email address and phone number for you to contact with any query you may have. In addition to this, there is a live chat, but it does require a name and email. Although it is named a live chat, they aim to respond within 24-48 hours. The office hours are only Monday-Friday, unlike other companies who are available 24/7. This can make contacting them difficult if you are needing an immediate response.

Check the alternatives to the Silentnight Impress 7cm Memory Foam mattress topper

If the Impress topper doesn't fully suit your needs, don't worry, there are plenty of other options. We suggest giving Newentor a shot! Although they've only been creating products since 2017, they're already one of the strongest brands around. Check out their product and see for yourself.

Newentor Dual-Layer Memory Foam Mattress Topper

Product image of the Newentor Dual-Layer Memory Foam Mattress Topper

The Newentor mattress topper has the same depth as the Silentnight Impress, however, it can provide you with both comfort and support. Although it might seem a bit firmer than the Silentnight Impress.

You will find that there will be some off-gassing as it is another memory foam option, but with a removable cover you can always keep it fresh and clean.

But unlike the Silentnight Impress, this topper comes with an incredibly generous warranty and trial. Not only are you covered for a whole decade but you even have 100 night to make up your mind!

And the no slip bottom is ideal for those sleepers who toss and turn in their sleep all night long as the topper will stay put.

To check out our full review of the Newentor Dual-Layer memory foam mattress topper, click here.



An icon depicting different groups of people
Will suit most people
The perfect balance of support & firmness that will suit most people.
an icon depicting a removable cover
Removable, washable cover
Remove the cover and wash it in a washing machine.
An icon depicting trial or warranty
Good trial and warranty
You get a 10-year warranty and a 100-night trial.


An icon depicting off gassing
Some off-gassing
The memory foam will off-gass a bit during the first night.
An icon depicting negative warming properties
Possible overheating
Memory foam can trap heat and cause overheating.

What makes this product better than some other similar ones?

sleeping on Silentnight Impress Memory Foam Mattress Topper

This topper is one of the best products for giving relief and comfort to any old mattress it's placed on. At 7 cm thick, the 100% memory foam can make the hardest of surfaces feel comfy and that's not something that many toppers can boast about.

So, if comfort is your number one priority and/or you want your body to be free of all sleeping pains, this is the perfect mattress topper for you.

Is the Silentnight Impress 7cm Memory Foam mattress topper eco-friendly or sustainable?

As a brand, Silentnight seems to be very eco-friendly. They're part of multiple green initiatives and have committed to being carbon-neutral by 2040. However, the Impress mattress itself isn't as green.

Overall, Silentnight seems to be doing its best to become more sustainable. However, this particular topper doesn't seem sustainable or eco-friendly. 

How did we test the product?

For the sake of transparency, we'd now like to go over exactly how our testings are done. On a general level, all of the products we review go through the following procedures:

And if we're being more specific, here are the test done in order to evaluate the Impress topper:

Overall impressions of the product after the testing

Overall, this topper has met our expectations in a few significant ways. When testing, we found it just as comfortable as advertised, even when paired with an older mattress. While it is not more supportive than others, the mattress topper did seem to offer sufficient pressure relief. The lack of support is not as suitable for heavy sleepers, whereas light sleepers will not be affected as much. There were some off-gassing issues, but they didn't linger for more than a day.

So, if you want to get comfy every night and sleep on a cloud, we strongly recommend you give this topper a try. But what did you think now that you've read our Silentnight Impress memory foam mattress topper review? Let us know in the comments!

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FAQs about your Silentnight Impress 7cm Memory Foam mattress topper

Lastly, let's go over a few of the FAQs we found regarding the Silentnight Impress 7cm Memory Foam mattress topper.

Is Silentnight Impress 7cm Memory Foam mattress topper good for hot sleepers?

Although it's not the worst decision in the world, other products have a more precise design regarding temperature control. This topper will satisfy some but not everyone.

Should Silentnight Impress 7cm Memory Foam mattress topper be hand washed or machine washed?

The topper cover can be machine washed and we suggest sticking to hand-washing when cleaning the filling.

Is Silentnight Impress 7cm Memory Foam mattress topper good for allergy sleepers?

Yes, it is completely hypoallergenic, so people with allergies shouldn't have any issues.

About the author

As a CPD certified Sleep Consultant I know how important sleep is. And as a combination sleeper, I have found it difficult to get products to suit my sleep style. I have more than 2 years product testing experience with The Sleep Advisors which means I have slept on, with and under more than 500 products with varying degrees of success. This is added to more than 2 years experience as a product reviewer for Closer, Heat and Grazia magazines, so I've got a rigorous process. I love sharing my sleep testimonials with our readers and hearing their experiences too.
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