How Often Should You Replace Your Mattress – The Full Effects Explained

A good night’s sleep is one of the key requirements for ensuring good health. Lack of quality sleep can slow down your body’s natural ability to heal and rejuvenate. A good mattress plays a vital role in getting a good night’s sleep.

People often use the warranty period of the mattress as a reference while answering the question- how often should you change your mattress? However, this is not quite appropriate as various factors influence how often you should get a new mattress.

Continue to read to know more about how long you should keep a mattress and a few sure shot signs to watch out for.

How often should you replace your mattress?

The National Sleep Foundation strongly advises replacing your mattress once every 8 years. Most good quality mattresses must last about that long. 

However, the average lifespan of mattresses depends on the materials used in its construction and its frequency of use. The additional factors that affect the lifespan of the mattress are the user’s weight and age.

Here is a look at the 4 main types of mattresses available in the market and their average lifespan:

  1. Innerspring: They last for up to 6 years. These mattresses are most likely to sag once their coils wear out.
  2. Hybrid: They last for 6-7 years, depending on its maintenance and use. As they also use coils, they are prone to sagging.
  3. Memory foam: They have an average lifespan of 8-10 years. They can last longer if cared for well.
  4. Natural latex: They must last for a minimum of 8 years and a maximum of 12-15 years. However, synthetic latex has a shorter time frame of 6 years.

Top 6 Signs to Watch Out for Replacing Mattress

To determine how often to replace mattress may be tough for a layman. So, we have put together some pointers to help you decide when its time to look for a replacement:

1. Visible sagging

Sagging is the most obvious indication that it is time to change your mattress. Sleeping on a mattress that sags can lead to back problems as the spine will not receive the required lumbar support. It will also prevent the muscles from relaxing and therefore cause poor sleep.

Look out for below signs of sagging:

  • Depression in the middle of the mattress
  • Dropping corners
  • One side is asymmetrical than the other

2. Body imprints on the mattress

This point applies to memory foam mattresses and is usually hard to decipher as such mattresses are designed to remember the users sleeping position. As a rule, the mattress must return to its original state after the person gets out of bed.

However, with age, the memory foam mattress begins to lose its cellular structure and cannot bounce back. So if your mattress leaves a body impression for a long time or if the impact appears to be deeper than usual, it is time to replace it.

3. Big or small lumps 

The padding inside the mattress starts to shift after a few years. When this happens, the mattress becomes incapable of supporting the user’s back as before. It also results in the development of uncomfortable pressure points.

Although this generally happens to low-quality mattresses, it can happen to a few high-quality mattresses that have run its course.

4. Poor quality sleep

Waking up feeling refreshed and energized are the few signs of a good night’s rest. On the other hand, if you wake up feeling tired and drowsy, due to the constant tossing and turning, do yourself a favor and invest in a new mattress. 

The structural integrity and the comfort materials that make the mattress, degrade over a while, resulting in a decline in how well one sleeps on a mattress.

5. Dust mites and bed bugs

After some time, most mattresses accumulate allergens like dust mites, mildew, and mold if not looked after well. It is in your best interest to replace such mattresses as continuing to sleep on one can cause skin rashes, asthma, and other breathing problems. 

Moreover, if bed bugs have taken over your mattress, it is nearly impossible to get rid of them. When shopping for a new mattress, consider buying one made using hypoallergenic materials such as latex or wool. 

6. Feel pain   

If you wake up feeling stiff and sore almost every day, it may be a sign that your mattress is not relieving your body’s pressure points. It may instead be causing inflammation to build up in the spine, hips, and back. 

Therefore, if you notice that your back pain subsides after you move and stretch around, it is a clear sign that your mattress is causing or adding to your body pain. 

Irrespective of how long should a mattress last- if you feel uncomfortable while sleeping or after waking up, consider its time to change your mattress.

Tips to increase the life of your mattress

Mattresses do not come cheap. It is thus advisable to take care of it to prolong its life. Here are 3 useful tips to follow:

1. Supportive bed frame

Mattresses must rest on a good foundation. Therefore, choose a bed frame with a box spring, a supportive mid-beam, or a solid platform. A bed frame that does not offer adequate support will cause even a good quality mattress to sag prematurely.

2. Keep the mattress clean

It is necessary to clean and vacuum the mattress at least once a month. Always follow the instructions specified by the manufacturer while cleaning the mattress. Failing to comply with the instructions can cause irreparable damage to the mattress.

3. Flip the mattress

If you have a dual sleeping surface mattress, flipping it every few months can increase its lifespan. It will ensure an even wear on both sides. 

However, if this is not the case, rotate your mattresses every 6 months. Sleeping in various positions and places can also help even out the surface compression.


If you find yourself sleeping better in any place other than your bed, it is time to get a new mattress. Although replacing mattresses is a significant investment, it is worth it. Apart from sleeping comfortably, it will also improve your health.

Hence, if you feel your mattress is no longer providing you with the quality of sleep you deserve, you should retire it. After all, good night’s sleep gives rise to pleasant mornings. 

How Often Should You Replace Your Mattress

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