Shop Medium Mattresses Online or In-Store at M6 Beds
Find the balanced comfort of a medium mattress — firm enough to support your spine, soft enough to cushion pressure points. Our medium mattress range suits a wide variety of sleepers and sleeping positions, making it the most versatile firmness choice in our collection. Browse our full range below, available in all standard UK sizes.
What Is a Medium Mattress?
A medium mattress sits at around 5 out of 10 on the firmness scale (where 1 is ultra-soft and 10 is extra-firm), the midpoint between plush cushioning and rigid support. You feel the comfort layers gently contour around the hips and shoulders, but the underlying support core keeps you lifted rather than sinking in. The result is a sleep surface that suits the widest range of body types, sleeping positions, and personal preferences, which is why medium is consistently the most popular firmness choice in the UK.
Who Should Choose a Medium Mattress?
- Combination sleepers — If you move between side, back, and front positions during the night, a medium mattress accommodates all three without feeling too soft in one position or too firm in another.
- Back sleepers — Provides enough give to follow the natural curve of the spine whilst keeping the hips from dropping too far, promoting neutral alignment.
- Couples with different sleeping styles — A true middle ground that tends to satisfy both partners, particularly where one sleeps on their back and the other on their side.
- Average-weight sleepers (roughly 10–15 stone) — A medium firmness responds proportionately to average body weight, offering a reliable balance of comfort and support.
- Anyone unsure which firmness to choose — If you have no strong preference or are replacing an old mattress and want a safe starting point, medium is the most broadly comfortable option.
If you experience specific pressure-point pain at the hips or shoulders, a medium-soft or soft mattress may provide more targeted relief. If you need firmer lower-back support, consider a medium-firm or firm mattress. If in doubt, consult a GP or physiotherapist before purchasing.
Medium Mattress Types at M6 Beds
Medium Pocket Sprung Mattresses
Individually encased springs respond independently to your body weight, providing zoned support, good airflow, and a balanced feel that suits most sleepers.
Medium Memory Foam Mattresses
Moulds to your shape in response to body heat and weight, relieving pressure around the hips and shoulders whilst minimising motion transfer, making it a popular choice for couples.
Medium Hybrid Mattresses
Pairs a pocket spring base with foam, latex, or gel comfort layers — combining the bounce and airflow of springs with surface-level contouring for a versatile, balanced feel.
Medium Latex Mattresses
Naturally responsive and quick to recover its shape, latex offers a buoyant medium feel that sleeps cooler than all-foam options and suits those who dislike the slow sink of memory foam.
Why Choose M6 Beds for Medium Mattresses?
- North West showrooms — Try before you buy. Visit our UK bed & mattress showrooms and test mattresses in your preferred sleeping position, with expert guidance on hand.
- Wide range — Pocket sprung, memory foam, hybrid, and latex options across every UK size, all in one place — including trusted brands such as Silentnight and Hypnos.
- Expert advice — Our in-store team can assess your sleep style, body weight, and budget — something no online filter can replicate. Because "medium" can feel slightly different from brand to brand, trying in person is the most reliable way to find your ideal match.
- Confidence to buy — We offer straightforward warranty and returns support, as well as 0% finance and delivery & disposal services.
Browse online or visit our Alsager and Northwich showrooms to try them in person.
Medium Mattresses: Sizes & Care
Available Sizes
We stock medium mattresses in all standard UK sizes, including: single mattress (90 × 190 cm); small double mattress (120 × 190 cm); double mattress (135 × 190 cm); king size mattress (150 × 200 cm); and super king (180 × 200 cm).
Not sure which size fits your room? Our bed & mattress size guide covers every UK standard dimension.
Pairing with the Right Base
Your base affects how your mattress performs — browse our full range of beds & bed frames to find the right one for your home. A medium mattress on a sprung slatted base will feel slightly softer, whilst a solid-top divan provides a firmer foundation. On a slatted base, ensure slats are no more than 7 cm apart to prevent sagging and protect the mattress layers.
Maintenance and Lifespan
Rotate your mattress head-to-toe every three months and use a mattress protector from day one to guard against moisture and dust. A well-made medium mattress typically lasts 7–10 years, though all-foam constructions may show wear sooner than pocket-sprung or hybrid options. Check individual product warranties for manufacturer guarantees.
Is a medium mattress suitable for back pain?
For most people, a medium mattress provides a good balance of support and pressure relief that can help with general aches. Back sleepers and combination sleepers often find it promotes healthy spinal alignment. However, if you have chronic lower back pain, a medium-firm mattress may be more appropriate, and for hip or shoulder pain a medium-soft option could offer more targeted cushioning. For personalised guidance, visit our showroom or consult a GP or physiotherapist.
Is a medium mattress suitable for heavier sleepers?
Heavier sleepers (roughly over 15 stone) tend to compress comfort layers more deeply, which can make a medium mattress feel softer than intended. A medium-firm or firm mattress is generally a better starting point for heavier builds to ensure adequate support. If you prefer a balanced feel but need extra durability, a hybrid construction with a robust spring core can help.
Will a medium mattress work for two people with different preferences?
A medium firmness is the most common compromise for couples, sitting comfortably between soft and firm. If both partners have strongly opposing requirements, a zip-and-link mattress allows each side to be a different firmness entirely.
Will the same mattress feel different on different bases?
Yes. The same medium mattress can feel noticeably softer on a sprung slatted base and slightly firmer on a solid divan. Wherever possible, try your mattress on the base you intend to use.
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