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5 signs it鈥檚 time to replace your mattress

October 15, 2025
Prostock-studio // Shutterstock

5 signs it鈥檚 time to replace your mattress

Complacency is the enemy of progress. Okay, that may be a little dramatic in terms of considering when to replace your mattress, but it鈥檚 the right idea. It鈥檚 so easy to become complacent when it comes to your mattress.

You may get that feeling that it鈥檚 time to say goodbye to your 15-year-old, yellowing, saggy bed that leaves you , but a new mattress is a . One that comes with the tasks of researching new mattresses, scheduling delivery, and figuring out . Replacing your mattress can feel like an inconvenience that leaves some saying, 鈥淵ou know what, my old bed does the trick.鈥

But, inconvenient or not, replacing your mattress when it鈥檚 time is so important to your physical and mental well-being. For starters, you鈥檙e asleep for approximately one-third of your life, making your mattress likely the most interacted with item in your home. Beyond that, quality sleep is an essential part of living a healthy life 鈥 and a bad mattress can lead to a bad night鈥檚 sleep (or many of them).

So, if you think it may be time to replace your mattress but need that little extra push, let this be it. shares five ways to tell when to replace your mattress.

How Long Does a Mattress Last?

Even if you religiously follow proper , your mattress will eventually need to be replaced 鈥 nothing lasts forever.

To put some numbers to it, most conventional mattresses last somewhere between seven and 10 years before their support, pressure-relieving capabilities, comfort, etc., begin to lose their effectiveness and hygienic issues may arise.

Of course, not all mattresses are created equal, and the quality of your mattress will play a part in its longevity. For conventional mattresses, materials play a big role in how long your mattress will last, too. Take a look at how long these nonorganic materials last before they may need replacing.

  • Latex: 7.5-8.5 years
  • Hybrid: 6.5-7.5 years
  • Polyurethane foam: 6-7 years
  • Innerspring: 5-6 years

It鈥檚 a reminder that what your mattress is made of matters just as much as how it feels.

5 Ways to Tell When to Replace Your Mattress

Despite the numbers, you needn鈥檛 arbitrarily replace your conventional mattress after a certain number of years have passed. Although, if you鈥檙e concerned about and that off-gas beyond accepted limits, you should consider upgrading to organic sooner rather than later.

There are other variables that can affect how long a nonorganic mattress will last, and there are telltale signs that it鈥檚 time for a new mattress.

1. Your Mattress Sags

When you lie down on your mattress, it depresses; when you get up, it springs back into shape. At least, that鈥檚 what鈥檚 supposed to happen. Over time, as your mattress鈥檚 support structure begins to break down 鈥 this is especially common with polyurethane foam mattresses 鈥 it will lose its ability to return to its normal, flat appearance. While vary from person to person, all bodies need some level of support while they sleep for . If you notice a lingering impression when you get off your mattress or if it visibly sags, it鈥檚 probably time to replace it.

2. Waking Up Achy

This one goes hand in hand with the last one 鈥 waking up achy is a big mattress red flag. Neck, shoulder, hip or can be exacerbated by a mattress that is not relieving pressure on those areas. And, as a conventional mattress ages, it naturally loses its support and pressure-point relieving properties. Now, your mattress isn鈥檛 the only factor that could cause aches and pains 鈥 so don鈥檛 go kicking your mattress to the curb after one sore morning. But, if you鈥檙e consistently waking up achy, replacing your mattress is something to consider.

3. Odors and Stains that Just Won鈥檛 Budge

Sweat. Drool. Oil from your skin and hair. Residue from cosmetics, hair products and moisturizers. You don鈥檛 want to know what鈥檚 lurking in your mattress. Moisture of any kind can cause your mattress to turn yellow. This by itself probably isn鈥檛 reason enough to replace your bed, but it is a factor to consider as your mattress ages. However, if you鈥檙e noticing a musky smell coming from your mattress, it could be a symptom of something worse 鈥 like bacteria, mold or mildew growing inside. You don鈥檛 want to be breathing that in, especially not for eight hours a night 鈥 time to say bye-bye, bed.

4. It鈥檚 Always Allergy Season

Speaking of things lurking in your mattress, don鈥檛 forget about dust mites and other allergens. While these may be benign to many people, buildup in your mattress can cause people with allergies to experience increased symptoms, such as:

  • Cold symptoms
  • Eye irritation
  • Sore throat
  • Headache
  • Difficulty breathing
  • Worsened asthma

Allergen buildup over time in your mattress is inevitable 鈥 so if you鈥檙e waking up stuffed up, it might be time to consider mattress shopping.

5. It鈥檚 Not You 鈥 It鈥檚 Me

Time passes, people grow, life changes 鈥 but you never stop needing a good night鈥檚 sleep. Sometimes, replacing your mattress really has nothing to do with your mattress at all 鈥 it鈥檚 just you. , weight loss, weight gain, gaining or losing a lots of life changes can impact the way you sleep. So can health changes. Developing a health condition such as arthritis, sciatica or fibromyalgia may also necessitate a new mattress with better pressure relief.

Mattress Pads and Toppers Can Help

Your mattress needn鈥檛 do all the heavy lifting. When it comes to helping your mattress last longer or making your mattress a better fit for your preferences, sleep accessories like mattress pads or toppers can help.

Your mattress needn鈥檛 do all the heavy lifting. When it comes to helping your mattress last longer or making your mattress a better fit for your preferences, sleep accessories like mattress pads or toppers can help!

So, ? A protects your bed against contaminants like sweat, allergens, spills and bugs, prolonging its longevity. Everyone can benefit from a mattress pad. A alters the feel of your mattress, making it softer or firmer to suit your sleep preferences. So, if your bed is in great condition, but it鈥檚 just not as comfy as you鈥檇 life, a mattress topper can be a game changer.

Don鈥檛 Settle for 鈥楪ood Enough鈥

Complacency has a way of sneaking into every corner of life (even the one-third of it we spend asleep). It鈥檚 easy to get used to discomfort, to shrug off the creaks, dips and restless nights as 鈥渏ust how it is.鈥 But sleep isn鈥檛 something to settle for. Replacing your mattress means refusing to get comfortable with being uncomfortable. And when you challenge that complacency, you open the door to real rest 鈥 and that can change far more than just your mornings.

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