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Written by: Jonathan Warren
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Published on October 30, 2026
Time to read 8 min
There’s nothing quite like sinking into a comfy, supportive bed after a long day. But mattresses don’t last forever. Because you sleep on yours every night, the slow decline is easy to miss, until one morning you wake up stiff and catch yourself daydreaming about that hotel bed from your last holiday.
We often put our energy into the fun stuff, like plush bed frames, cosy throws and a pile of cushions. But when it comes to sleep quality, your mattress is the real star of the show. If you’re wondering whether yours is still pulling its weight, we’ve rounded up the signs you need a new mattress. We’ll also cover how long different mattresses last and how to help your next one go the distance.
Most mattresses last between seven and 10 years. The exact lifespan depends on what your mattress is made of, how much use it gets and how well it’s looked after. The National Bed Federation and The Sleep Council recommend replacing your mattress every seven to eight years, because by then it will have racked up around 20,000 hours of use.
Some mattress types are hardier than others. Latex tends to be the most durable, while how long memory foam lasts depends largely on the density and quality of the foam. Here’s a quick guide to what you can exp
These figures are averages. A well-loved mattress in a busy household may tire sooner, while one in a guest room could happily keep going for years.
Age is a helpful guide, but your body and your bed will often tell you first. Here’s what to look out for.
Your mattress should feel level and supportive from edge to edge. If you notice a dip where you usually sleep, or you and your partner keep rolling towards the middle, the support layers have started to give way. A sagging mattress lets your spine fall out of its natural alignment.
Try this quick check:
Strip the bed and look at the mattress in good light.
Lay a broom handle or long, straight edge across the surface.
If you can see a gap of more than an inch or so underneath, or you can feel lumps under your hand, it’s probably time for a change.
If getting out of bed comes with a groan, and the stiffness eases once you’re up and about, your mattress could be to blame. A tired mattress stops supporting your back, hips and shoulders, which can leave you feeling sore before the day has even begun.
The good news? A change can make a real difference. In one study, researchers swapped participants’ old beds for new, medium-firm ones. The old beds were 9.5 years old on average. They found significant improvements in lower back discomfort, spine stiffness, sleep quality and sleep comfort, whatever the participants’ age or weight.
We know sleepless nights happen for all sorts of reasons, from work stress to a late coffee. But if you’ve ruled out the usual suspects and you’re still tossing and turning, take a closer look at what you’re lying on. Research shows that an uncomfortable bed could cost you up to an hour’s sleep a night.
A tell-tale clue is sleeping noticeably better somewhere else, whether that’s a hotel, a friend’s spare room or even the sofa. If an away bed feels like a treat, your own mattress has probably passed its best.
A mattress that creaks, squeaks or pings is a mattress crying out for help. First, rule out the other suspects:
Check the bed frame for loose bolts or slats.
Make sure nothing is rubbing against the headboard or wall.
Check that nothing stored under the bed is rattling or rubbing against the frame.
If the noise is coming from the mattress itself, especially when you climb in or shift position, the springs are likely wearing out. Worn springs usually mean worn support, too.
Waking up sneezy and stuffy is never a nice start to the day. Over the years, mattresses build up dust, sweat and dead skin cells, which create a cosy home for dust mites. If your allergy or asthma symptoms are worse in the morning, or you feel better after a night away, your mattress could be part of the problem.
Sometimes a good clean is all it needs, so try our guide on how to clean your mattress first. If your mattress is getting on in years and the symptoms don’t ease, a fresh start is the healthier choice.
Sometimes a mattress is in perfectly good shape, but it just doesn’t suit your life anymore. These are good reasons to upgrade too.
Perhaps your little one is ready to move up from a single, or a new partner means you need a bit more room to stretch out. If you’re feeling short on space, get out the tape measure and check our mattress size guide to find your perfect fit.
The right firmness depends a lot on how you sleep. If you’ve swapped snoozing on your back for curling up on your side, the mattress that once felt perfect might not be giving you the support you need. Our mattress firmness guide can help you find your match.
Pregnancy, an injury, changes in weight or simply getting older can all change what feels comfortable. If your mattress no longer feels right, it’s worth listening to your body.
Every mattress wears out eventually, but a few everyday habits can speed things along. The good news is that most of them are easy to fix.
Without a protector, sweat, spills and skin cells soak straight into the filling. A washable mattress protector is a small investment that keeps your mattress fresher for longer.
Lying in the same spot every night wears out one area faster than the rest. Rotating your mattress head to toe every few months helps it wear evenly. If your mattress is double-sided, turn it over too, but always check the care label first.
Even the best mattress will struggle on a sagging base, or on slats that are too widely spaced. Make sure your bed frame gives your mattress a firm, even foundation.
Sharing a bed, heavier body weights, pets sleeping on the bed and little ones using it as a trampoline all put extra pressure on the springs and foam. None of these are reasons to change your routine, of course, but they may mean replacing your mattress a little sooner.
Perching on the same spot to put your socks on every morning can weaken the edge support over time. Try to vary where you sit.
Damp is no friend to a mattress. Let your bed breathe by pulling back the duvet for a while each morning before you make it.
Budget mattresses often use thinner foams and simpler spring units, which tend to wear out more quickly. A good-quality mattress usually pays for itself in extra years of comfortable sleep.
As a general rule, plan to replace your mattress every seven to eight years, and sooner if you notice any of the signs above. Research from the National Bed Federation found that people in the UK replace their bed every 6.9 years on average, compared with every 17 years back in 1995.
If you’re not sure how old your mattress is, or whether it still measures up, ask yourself:
Is it more than seven years old?
Do you wake up stiff, achy or tired?
Can you see or feel dips, lumps or sagging?
Do you sleep better in other beds?
Has your mattress started to creak?
If you answered yes to two or more, it’s probably time to start shopping.
A new mattress can give your sleep the boost you’ve been looking for. Better sleep can lift your mood, sharpen your mind and help you wake up feeling properly refreshed.
Browse our full range of mattresses, from pocket sprung to memory foam, in every size and firmness. You can also try your new mattress at home with our 100-night sleep trial. And when it’s time to say goodbye to your old one, our guide on how to dispose of your mattress walks you through the easiest and most eco-friendly options.
We wouldn’t recommend it. Even if a mattress looks fine, after 20 years the springs and foam will have lost much of their support, and it will have built up a lot of dust, sweat and skin cells. You may not notice the decline because it happens so gradually, but your body probably will.
As soon as your new one arrives! If your mattress is sagging, lumpy, noisy or making you ache, it’s time to let it go. Before you do, take a look at our tips on what to do with your old bed and mattress.
A topper can add a lovely extra layer of softness and might buy a slightly tired mattress a little more time. However, it can’t fix sagging or broken springs underneath. If the support has gone, a topper will simply follow the dip.
Every three months is a good rule of thumb, but always check the manufacturer’s care guide. Some mattresses are designed to be turned over as well as rotated, while others are one-sided and should only be rotated.
Looking for more tips to help you drift off and wake up refreshed? Take a look at these:
Why should you sleep with a pillow between your legs?
Plants for the bedroom to improve your sleep
How to clean a mattress: A step-by-step guide for every mattress type
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