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Medium Mattresses

Medium mattresses offer many benefits to your sleep, your health and your well-being. Finding the right mattress firmness will help improve your sleep and medium mattresses are your safest bet.

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Based on 23,378 reviews

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We were kept updated all the way through from purchase right up until delivery which was very helpful.

Linda Rudd 11th Jul
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From ordering to delivery they were very good. Ordering offices very easy, delivery very quick and delivery company very efficient and careful.

Anita B 9th Jul
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So far so good with the mattress, the quality is excellent and is as described. First class speedy delivery service received and would not hesitate to recommend.

Vicki 9th Jul

Help & Buying Guides

How to choose the best medium mattresses

Our medium firm mattress range strike a middle ground between firm and soft styles. Expect all sizes and types, whether that’s memory foam or latex, small single or super king.

If you need help choosing the right mattress firmness for you, check out our Mattress Firmness Guide.

What is a medium mattress?

A medium mattress combines the benefits of both soft mattress and firm mattress types. Ideal for a sleeper who favours both soft cushioning and denser support, a semi firm mattress is a good middle ground for the undecided.

Medium mattresses can be applied to side sleepers and back sleepers alike, with the requisite cushion and comfort to support all sleeping positions. As our medium mattress range comprises of all mattress sizes, the firmness of a medium mattress can be added to any bedroom and provide a comfortable night’s sleep for children right through to the elderly.

What does medium mean when buying a mattress?

Medium indicates the firmness of the mattress, telling you how much support you can expect. They’re usually rated in the middle of the 1-10 firmness scale and are soft to the touch. They respond to weight and body pressure, and can adapt easily if you move around. They spring back better than softer options. 

Why choose a medium mattress?

The best medium firm mattresses don’t have to cost a pretty penny, with our affordable models leaving enough change in your pockets to add a high quality mattress topper or protector to your new mattress. With everything from a medium firm double mattress to a medium pocket sprung mattress available at an accessible price, the depth of our mattress range has a top of the range solution to all sleeping needs. Choose one of our top rated mattresses to make the most out of your night time recovery sessions.

Our medium firm mattress range features a 12 month guarantee as standard, with selected mattresses further protected with an additional 5 year warranty, protecting your investment and offering peace of mind. Get the ultimate medium firm mattress set up quicker than ever before with our nationwide next day mattress delivery service.

What types of medium mattress are available?

Medium mattress are an ideal choice for guest beds or for those who want a softer sensation when they get into bed but still want plenty of support. They come in a variety of different types. And remember, when you buy from MattressNextDay, you get free next-day delivery across mainland UK addresses. And why not check out our mattress recycling service to make sure your old mattress is disposed of ethically.

Memory foam 

Using technology developed by NASA for the space programme, memory foam mattresses are a modern marvel. The dense foam provides outstanding support and cushioning by moulding into the shape of your body. This eliminates pressure points but gives you a softer feel. Perfect for side and back sleepers. 

Pocketed spring mattresses 

Pocket spring mattresses are made up of a matrix of individual springs sitting in their own cloth pockets. This allows the springs to work independently to adjust to your body, minimising movement transference. They are perfect for couples, even if one tends to wriggle a bit during the night.

Traditional open spring mattresses

These use a traditional open-spring core surrounded by comfort layers. They’re a great budget option and ideal for use as a spare room mattress. They do need to be maintained a little more often, with regular flipping and turning to avoid lumps, dips and bumps from forming.  

Hybrid mattresses

These combine a pocketed spring core with multiple comfort layers finishing with a memory foam layer for that ‘sink-into-bed’ feeling at the end of the day. They range in price from budget-friendly to top-end, and are easy to maintain. 

What is the best medium mattress?

Medium firmness mattresses come in a full range of models. Choosing the right medium mattress type for your needs depends on how much plushness you require for a comfortable night’s sleep. Choose from a memory foam mattress, expertly designed to mould to all body shapes for those who favour a softer feel. Or go slightly firmer, with a pocket sprung medium firm mattresses that helps prevent sinking into the mattress. 

Medium firm Orthopaedic mattresses are designed specifically to help soothe back and joint pain, while latex models add a touch of luxury and elegance. They’re also great for managing allergies.

Is medium a good mattress?

Medium mattresses are suitable for almost anyone, providing an excellent balance of both comfort and support. Medium mattresses give you that soft, 'sinking into a cloud' feeling that you want at the end of a hard day, but with no compromise on support. They're particularly suitable for side sleepers, and choosing a memory foam mattress with a medium firmness rating means that you'll be cushioned and supported along the length of your body, eliminating pressure points and providing you with a great night's sleep. Medium firmness sprung mattresses ensure you get all the comfort you need, while at the same time eliminating any movement transference so you don't disturb your partner if you wriggle around at night. Medium mattresses are also suitable for those who prefer sleeping on their backs, although front sleepers may prefer something a little firmer to give them the support they need. 

Which is better, a medium mattress or a medium firm mattress?

There isn’t a huge amount of difference between the two, but you will notice that a medium-firm mattress has a firmer feel when you press down, and springs back more quickly than a medium option. Studies have suggested that a medium or medium-firm mattress can actually be better for those with back problems than a extra firm option, as the cushioning effect provides a greater degree of comfort and support. A medium mattress is better for back sleepers, while a medium-firm mattress provides additional support for those who prefer to sleep on their front. 

Size Imperial Metric
Cot Mattress 3'9" x 1'9" 120cm x 60cm
Cot Bed Mattress 4'6" x 2'3" 140cm x 70cm
Adjustable Small Single 2'6" x 6'6" 75cm x 200cm
Adjustable Single 3' x 6'6" 90cm x 200cm
Adjustable Small Double 4' x 6'6" 120cm x 200cm
Adjustable Double 4'6" x 6'6" 135cm x 200cm
Small Single 2'6" x 6'3" 75cm x 190cm
Single 3' x 6'3" 90cm x 190cm
Small Double 4' x 6'3" 120cm x 190cm
Double 4'6" x 6'3" 135cm x 190cm
King Size 5' x 6'6" 150cm x 200cm
Super King 6' x 6'6" 180cm x 200cm
European Small Single 2'8" x 6'6" 80cm x 200cm
European Single 3' x 6'6" 90cm x 200cm
European Double 4'7" x 6'6" 140cm x 200cm
European King Size 5'3" x 6'6" 160cm x 200cm

All mattress sizes given are approximate and stated sizes refer to the sleeping surface only. Mattresses sizes may vary slightly from their stated dimensions due to manufacturing tolerances, please allow +/- 2 inches (5cm).

Support Best for
 Icon for Memory Foam Memory Foam Body moulding and pressure relieving
 Icon for Natural Fibres Natural Fibres Unrivalled comfort, naturally temperature-regulating
 Icon for Latex Latex Breathable, supportive and eco friendly
 Icon for Cool Gel Memory Foam Cool Gel Memory Foam Active cooling properties, ideal for hot sleepers
 Icon for Soft White Fibres Soft White Fibres Hypoallergenic polyester, soft and durable

Support Best for
 Icon for Pocket Springs Pocket Springs Individual springs for tailored support
 Icon for Foam Foam Conforms to your body's shape, silent (no springs)
 Icon for Open Coil Springs Open Coil Springs Traditional, interlinked springs
 Icon for Pocket Springs Latex Bouncy yet supportive, great for hot sleepers

Firmness Best for
Good for side sleepers, a softer level of support
Good all-rounder for front, side or back sleepers
Medium - Firm
Good for people who change sleeping position
Good for people who sleep on their front or back
Extra Firm
The firmest level of support, also known as orthopaedic

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