Memory Foam vs Pocket Sprung Mattresses

Choosing a new mattress usually comes down to one big question: memory foam or pocket sprung? Both can give you a brilliant night’s sleep, but they feel completely different and suit different bodies, budgets and bedrooms. This guide breaks down how each one supports you, how they handle heat and movement, what they cost and how long they last, so you can buy with genuine confidence rather than guesswork.

1. How each mattress is built

A pocket sprung mattress is built around dozens or hundreds of individual steel coils, each sealed in its own fabric pocket. Because the springs are not wired together, every coil moves on its own and responds only to the pressure directly above it. A standard double typically carries between 600 and 1,000 pockets, while premium versions push past 2,000 or stack two layers of springs for finer support. More springs is not automatically better, but a higher count generally means the surface can follow the shape of your body more precisely.

Memory foam works in a completely different way. It uses a temperature-sensitive viscoelastic layer that softens with your body heat and slowly moulds to your contours, then springs back over a few seconds once you move away. Underneath that comfort layer sits a denser support foam, usually 12 to 18 cm thick, that gives the mattress its structure. The result is a cradling, pressure-relieving feel with very little surface bounce.

2. Support and spinal alignment

Good support means keeping your spine in a neutral line, whether you sleep on your back, side or front. Pocket springs do this through responsive, zoned resistance: the coils under your heavier hips and shoulders compress more, while those under the small of your back stay firmer to fill the gap. Many quality pocket sprung mattresses also use firmer springs around the edges, giving you a supportive perimeter so you can sit on the side to dress without rolling off.

Memory foam supports you by spreading your weight evenly across its surface and removing pressure points. Side sleepers in particular often love it, because the foam lets the shoulder and hip sink in just enough to keep the spine straight. The trade-off is that cheaper, all-foam mattresses can feel as though you are sleeping “in” the bed rather than “on” it, which some people find restrictive, and edge support is usually weaker than a sprung equivalent.

If you share a bed with someone of a very different weight, pocket springs tend to cope better because each side responds independently to load. For solo sleepers who want that hugged, weightless feeling, foam is hard to beat. Whichever you choose, the right firmness matters more than the material, and our dedicated how to choose a mattress guide walks through that in detail.

3. Temperature and breathability

Temperature is where the two types differ most, and it is the single most common regret we hear from foam buyers. Pocket sprung mattresses have natural airflow: the gaps between the coils let warm air circulate and escape, so the surface stays cooler through the night. Paired with breathable natural fillings such as wool, cotton or cashmere, a good sprung mattress regulates temperature beautifully and suits hot sleepers, warm bedrooms and anyone who runs hot under the duvet.

Traditional memory foam holds heat. Because it works by reacting to body warmth and wraps closely around you, it traps that heat against your skin, and dense foam restricts airflow. Modern foams fight back with open-cell structures, gel infusions and ventilated channels, and these genuinely help, but as a rule a solid block of foam will sleep warmer than a sprung mattress. If you wake up too hot, this should weigh heavily in your decision.

4. Motion transfer for couples

If your partner gets up at 6am or fidgets all night, motion transfer is the measure of how much of that movement you feel. This is memory foam’s home turf. Foam absorbs movement rather than passing it along, so one person can climb into bed or shift position with almost no ripple on the other side. For light sleepers sharing a bed, that isolation can be the difference between waking up and sleeping through.

Pocket sprung mattresses also handle motion far better than the old open-coil spring units of the past, precisely because each pocketed coil moves independently rather than dragging its neighbours. They are not quite as still as foam, but a high spring count with a generous comfort layer gets close. If undisturbed sleep next to a restless partner is your top priority, foam or a foam-topped hybrid edges ahead.

5. Firmness, weight and sleeping position

Your body weight and favourite sleeping position should steer your firmness choice as much as the material. As a rough starting point, the table below shows what tends to work, though personal preference always has the final say.

Heavier sleepers generally do better on a higher spring count or a supportive hybrid, because all-foam mattresses can bottom out and lose support sooner under more load. Front sleepers need a firmer surface to stop the hips sinking and the lower back arching. Side sleepers usually want more give at the shoulder and hip, which is where softer foam or a plush pocket-sprung top shines. Couples of mismatched weights sometimes choose a sprung mattress with a different tension on each side as a tidy compromise.

Remember that a mattress needs the right base too: a slatted or sprung divan affects how firm the whole thing feels. If you are buying a mattress and bed together, our bed and mattress size guide covers UK sizing so nothing arrives too big or too small.

6. Price, lifespan and value

On a like-for-like basis, entry-level memory foam is often the cheaper way into a comfortable mattress, while quality pocket sprung models with natural fillings sit at the premium end. That said, the ranges overlap enormously: a 2,000-pocket mattress and a high-density gel foam can cost much the same. What matters is build quality, not just the headline material.

For lifespan, a well-made pocket sprung mattress typically lasts seven to ten years, and good natural fillings hold their shape well over time. Memory foam usually lasts around six to eight years before the comfort layer starts to soften and lose its bounce-back. Cheaper low-density foams can develop a permanent body impression sooner, so density is worth checking; higher-density foam costs more but lasts longer. Whichever you pick, rotating it regularly and using a protector will add years to its life.

7. Hybrid mattresses: the best of both?

If you cannot decide, a hybrid is often the answer. A hybrid mattress combines a pocket spring core with one or more layers of memory foam, gel foam or latex on top. You get the breathable, supportive, responsive base of springs with the pressure relief and motion isolation of foam at the surface, which is why hybrids have become the most popular choice for couples and undecided buyers alike.

Hybrids do tend to be heavier and a little more expensive than a basic foam or budget sprung mattress, simply because there is more material inside. But for many people the balance is worth it: cooler than all-foam, more cushioning than all-spring, and forgiving across a wide range of sleeping positions. If your priorities are split between two of the points above, a hybrid usually resolves the tension neatly. Browse the full range on our mattresses page to compare foam, sprung and hybrid side by side.

8. How to choose the right one for you

Cut through the marketing by ranking what actually matters to you. Run through this quick checklist before you buy:

• Do you sleep hot? Lean pocket sprung or hybrid for airflow, and avoid dense traditional foam.
• Do you share with a restless partner? Memory foam or a foam-topped hybrid for the best motion isolation.
• Do you have aches or pressure points? Foam’s contouring relief helps shoulders and hips, especially for side sleepers.
• Are you a heavier sleeper or a front sleeper? Choose a firm, high spring-count pocket sprung or hybrid for lasting support.
• Want a long lifespan? Quality pocket springs with natural fillings tend to go the distance.

There is no single “best” mattress, only the best one for your body and your bedroom. Match the material to your honest answers above, then pick the firmness that suits your weight and position. Once you have settled on the mattress, it is worth thinking about the rest of the room too; a coordinated bed frame and the right storage make the whole space work harder, and our wider bedroom collection ties it all together.

9. Buying with confidence

Whichever way you lean, buying a mattress from Elystra Living is designed to be reassuringly simple. Every order comes with fast delivery, so your new mattress arrives quickly and ready to enjoy. If it is not quite right, our 30-day returns promise gives you genuine breathing space to be sure of your decision rather than committing on the showroom-floor impression alone.

We also know a good mattress is an investment, which is why you can spread the cost with Klarna in interest-free instalments at checkout, putting premium pocket sprung and hybrid options comfortably within reach. Take your time, use the guidance above, and when you are ready, explore the full range on our mattresses page to find the one that will give you years of brilliant sleep.