You know you’re supposed to replace your mattress after a certain amount of time. You might even notice that your current mattress doesn’t feel as comfortable as it once was, and you’re thinking about buying a new one. But how often should you replace your mattress for the best sleep while also getting the most out of your investment?

Frustratingly, the answer to this question isn’t one-size-fits-all. Different sleeping habits, body types, and mattress materials can greatly affect how long your mattress lasts.

In general, though, most mattresses last seven to ten years.However, that doesn’t mean you should suffer through an uncomfortable mattress just because you’ve owned it for less than seven years. Or that your mattress is guaranteed to wear out after 10 years of use.So how often should you replace your mattress, really? And what other factors, aside from age, can mean the end for your trusty bed?

How Long Will Your Favorite Mattress Material Last?

Just a few decades ago, most mattresses were made from the same standard materials. Today, though, walking into a mattress retailer means sorting through all different types of materials: innersprings, memory foam, pillow-tops, and even adjustable air-filled designs.If you search for an answer to, “How often should you replace your mattress?”, most sources will give one answer (normally for a standard innerspring mattress).

Of course, the quality of your mattress’ materials will play a role in how long your mattress lasts. But the type of materials will also determine its overall lifespan:

Age Isn’t The Only Reason To Change Your Mattress

Obviously, answering a question like, “How often should you replace your mattress?” focuses on your mattress’ age. But passing time isn’t the only thing that can and will wear out your mattress.No matter the age of your mattress, if you notice any of these signs it might be time to invest in something new:

Your Mattress Is Sagging

A sagging mattress is hard to ignore. You might find yourself waking up in the same dent every morning or unable to get comfortable before falling asleep.Despite the frustration of a sagging mattress, many people will ignore this sign because their mattress isn’t technically old enough to replace. But sleeping on a sagging mattress is a recipe for aches and pains down the road.

You’re Waking Up With Allergies

Waking up with itchy eyes, puffy skin, and a plugged nose is never fun. But when it happens every morning, you have a problem. Mattresses can hold all types of allergens, including debris from bedbugs and mites.

While you shouldn’t jump straight to tossing out your mattress if you experience morning allergies, you should definitely keep the possibility in mind. Before throwing your mattress in the bin, rule out other allergen sources that could be ruining your sleep.

Bedding, including pillows, can also house dust and other particles, so make sure you use clean sheets and pillowcases. Seasonal allergies can also hit first thing in the morning, so consider the season and when your symptoms started.If these steps don’t fix your allergies, though, it might be time to replace your mattress.

You’ve Gained Weight

Choosing a mattress is an extremely personal experience. What feels comfortable to you likely won’t feel the same to someone else. Your body shape, including your weight, determines what mattresses work for you.

So when these factors change, your mattress might need to change, too.

And that weight doesn’t necessarily need to be attached to you. If you’ve recently started co-sleeping with a partner, your mattress might not be suited to the extra body weight.

Your Body Aches Or Feels Stiff In The Morning

When morning aches and pains come on gradually, you might hesitate to blame your bed. Actually, though, this is probably one of the first things you should consider.

Yes, back pain and other body aches can come about from injuries or poor posture. But when you stop and consider how long your spine sits in one position throughout the night, it’s no surprise that mattresses are to blame for much of the world’s back pain.

If you experience aches and pains in the morning, especially if they dissipate with standing and stretching, your mattress is likely the culprit.

Your Other Mattress Questions Answered

Here are some other popular questions related to “How often should you replace your mattress?”:

How Often Should You Change Your Boxspring?

Not all beds rely on a boxspring for extra support. But if your bed does, a quality boxspring can be just as important as your mattress.

Fortunately, boxsprings experience less direct wear and tear compared to your mattress. Because of this, they do tend to last longer.

Some boxsprings last less than ten years. Other last twice as long. Overall, physically inspecting your boxspring is the best way to determine if you need a new one or not.

Signs that your boxspring is at the end of its life might include:

  • Squeaking or creaking
  • Broken wood slats
  • Bowing from the bottom
  • Bent metal frame or grid

Most boxsprings feature a dust cover, which you’ll need to pull back to inspect any internal parts. However, checking your boxspring can save you from buying a new mattress when the problem isn’t actually further down.

When Should You Replace A Toddler Or Child’s Mattress?

When most people wonder, “How often should you replace your mattress?”, they’re thinking of adult beds. But if you have children, your own mattress isn’t the only one in your home.

Honestly, it’s easy to grow complacent about your child’s mattress. After all, their body doesn’t experience the aches and pains that working adult bodies go through.

Since children are constantly growing, often at an incredibly high rate, it’s difficult for their mattress to keep up. The mattress that worked for your five-year-old might not work when they’re a ten-year-old.

Although there’s no set life expectancy for a child’s mattress, you should regularly check for sagging, obvious wear, and other signs that your child might not be getting the best sleep possible.

Does Rotating And Flipping Your Mattress Make A Difference?

To get the most out of your mattress, there are two things you can do: rotate and flip.

Most, if not all, mattresses can be rotated. Even if you and your partner are similar sizes and weights, rotating your mattress will help balance any wear and tear and prevent sagging.

Generally, you should rotate your mattress at least twice each year.

Flipping your mattress can make a huge difference in its lifespan. Unfortunately, not all mattresses can be flipped.

If your mattress is the same on both the top and bottom, you should flip it at least once per year. But if it’s not, like in the case of a pillow-top mattress, you’re out of luck.

Invest In Top-Quality Sleep Today

Even a low-quality mattress is a large investment, especially if you’re living on a tight budget. So when asking, “How often should you replace your mattress?”, you might dread hearing the truth.However, the cost of using a mattress past its prime can lead to discomfort, body pain, poor sleep, allergies, and other harmful side effects.

If your current mattress is still in good shape, and you want to get the most time out of it as possible, you do have options. Maintaining a thorough rotating and flipping routine can prevent sagging and other wear, giving your mattress a few extra years of life.

And if you’re worried about collecting dust and other particles in your mattress, make sure to use clean bedding mattress and monitor your bedroom’s humidity. You can even invest in hypoallergenic sheets or a dust cover for your mattress for extra protection.

Do you have any tips for making a mattress or boxspring last as long as possible? Let us know in the comment section below!

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