Memory Foam Mattresses
A memory foam mattress offers a superior sleep experience for all sleeping positions. It contours to your body shape, providing personalised pressure relief and support. With a memory foam mattress, you can enjoy a soothing night’s sleep tailored to your unique needs.
Filters
See what our customers say about us
Why buy from Mattress Online?
Free delivery to most locations
Free next working day delivery when you order before 4pm Mon-Thur and 2pm Sat, or upgrade to weekend delivery.
Free 60-night mattress comfort trial
Test your mattress for 60 nights and if you don't like it, simply swap it.
Old mattress disposal
We can collect and recycle your mattress - saving it from landfill.
Advice and buying guides
What is a memory foam mattress?
Memory foam mattresses are constructed from polyurethane foam, first invented by NASA scientists in the 1960s.
They can be made from pure memory foam, like TEMPUR mattresses, or combined with pocket springs to create hybrid memory foam mattresses.
How does memory foam work?
A memory foam mattress uses your body heat to mould and conform to your exact body shape as you sleep. This means that you experience comfort and support that is completely tailored to your body shape and weight.
The memory foam layer of your mattress is also incredibly responsive, meaning it pushes back against your body weight, helping to relieve the pressure that builds up in your joints over the day and soothes aches and pains.
What is the best memory foam mattress?
There are a few reasons why a memory foam mattress could be considered the ‘best’, so we’ve narrowed it down to the following:
- Best-rated
- Best-selling
- Most premium
Best-rated memory foam mattress
Our best-rated memory foam mattress is the SleepSoul Bliss 800 Pocket Memory Pillow Top Mattress and was chosen because:
- It's rated 4.7/5 on Feefo with over 680 reviews*
- It's ideal for a mid-range budget
- It offers excellent comfort and support with a luxurious pillow top
Best-selling memory foam mattress
Our best-selling rated memory foam mattress is the Emma Premium Mattress* and was chosen because it's:
- A top pick from Emma, known for its hybrid design and zoned support
- Loved by customers for its targeted pressure-relieving features and convenient bed-in-a-box design
Most premium memory foam mattress
Our most premium mattress is the Sealy Posturepedic Elevate Ultra Performance Gel Mattress because:
- It has been engineered by Sealy for superior sleep and health benefits
- It features memory foam, gel foam, and open coil springs for specialised support
This mattress starts at around £2,300 for a double size*.
(Disclaimer: Product ratings, sales, and pricing are subject to change.)
Memory foam mattress sizes
At Mattress Online, we offer our memory foam mattress collection in various sizes:
Standard UK sizes:
| Size | Metric measurement (cm) | Imperial measurement (ft/in) | Who are they suitable for? |
|---|---|---|---|
| Single | 90cm x 190cm | 3ft x 6ft 3in | Perfect for growing children, teens or adults who sleep alone. |
| Small double | 120cm x 190cm | 4ft x 6ft 3in | A great option if you sleep alone but want a little extra room to spread out. |
| Double | 135cm x 190cm | 4ft 6in x 6ft 3in | The most popular mattress size and cosy for couples. |
| King size | 150cm x 200cm | 5ft x 6ft 6in | Perfect for couples who want more space to sleep. |
| Superking | 180cm x 200cm | 6ft x 6ft 6in | The largest size with room for you, your children - and even the dog! |
| Superking zip and link | 180cm x 200cm | 6ft x 6ft 6in | A versatile option that splits into two single mattresses - perfect for guest rooms. |
| Size | Metric measurement (cm) | Imperial measurement (ft/in) | Compared to the equivalent standard UK size: |
|---|---|---|---|
| European single | 90cm x 200cm | 3ft x 6ft 6in | 10cm (3.9in) longer than a standard UK single. |
| European double | 140cm x 200cm | 4ft 7in x 6ft 6in | 5cm (2in) longer than a standard UK double. |
| European king size | 160cm x 200cm | 5ft 3in x 6ft 6in | 10cm (3.9in) longer than a standard UK king size. |
Memory foam mattress firmnesses
Our memory foam mattress range varies in firmness levels.
At Mattress Online, we offer a range of firmness options to suit all sleeping positions and preferences.
| Firmness | Is it suitable for you? |
|---|---|
| Soft to medium | If you have a lighter frame (60kg and under). Or you are an average weight and prefer a mattress you can sink into. |
| Medium | If you are an average weight and prefer balanced comfort and support. Or you have a larger frame and prefer a mattress you can sink into. |
| Medium to firm | If you have an average weight and prefer a firm mattress. If you have a larger frame and prefer a mattress that is a bit firmer. |
| Firm | If you have a larger frame and prefer a firm, supportive mattress. |
Please note: The table above is only a rough guideline for what to consider when choosing a firmness for a memory foam mattress.
Are memory foam mattresses good?
Yes, a memory foam mattress is a great all-round mattress. They are one of the most popular types of mattresses we sell, especially hybrid memory foam mattresses.
How can a memory foam mattress help to improve your sleep?
Memory foam mattresses are specifically designed to enhance sleep quality and duration.
A memory foam mattress may be able to improve your sleep if you experience:
- Disturbed sleep due to movement from you or your partner - Memory foam mattresses absorb movement, minimising disturbance from you or your partner shifting during the night.
- Rolling into the centre of your mattress with your partner - Memory foam mattresses feature a 'no-roll together' design as the memory foam moulds around your body, preventing you and your partner from sinking towards the middle.
- Discomfort from joint pressure - Memory foam mattresses are very responsive, which means that the memory foam layer actively pushes back against your body weight. It also evenly distributes your weight across the mattress to relieve pressure from your joints. This prevents unnecessary pressure from being placed on your back, hips, shoulders and joints.
- Lack of support for your sleeping position - Whether you sleep on your side, back, front, or switch between them, a memory foam mattress adapts to your movements, providing consistent support throughout the night.
- Feeling too cold during the night - Memory foam mattresses retain a small amount of your body heat, helping you to stay warm.
- Disturbed sleep due to allergies - All memory foam mattresses are hypoallergenic. The visco-elastic foam structure cannot be penetrated by dust mites, hair, pollen or other allergens that can trigger allergy symptoms, such as sneezing.
Is a memory foam mattress good for back pain?
Yes, a memory foam mattress, especially an orthopaedic memory foam mattress, can effectively alleviate back pain.
An orthopaedic memory foam mattress is specifically designed to provide enhanced support for shoulders, back, and hips, promoting healthier sleep posture by aligning the spine and neck. This correct alignment distributes your body weight evenly across the mattress, reducing pressure on your neck, shoulders, lower back, and hips.
In addition to the enhanced orthopaedic support, you'll also benefit from the pressure relief properties of memory foam, making it a great option to consider if you suffer from back pain.
*Feefo review scores are accurate as of April 2024.
*Best-selling product data taken from 1st Jan 2023 - 31st Dec 2023.
*Product pricing accurate as of April 2024 and is subject to change.
Sales Enquiries
Mon-Sat: 9:30am - 5:30pm
Sunday: 10am - 4pm
Customer Service
Mon-Sat: 9:30am - 5:30pm
Sunday: Closed
customerservice@mattressonline.co.uk
