How long should you keep your mattress?

You should keep your mattress as long as it is comfortable and supportive. That may be 5 years, 10 years or even longer. The age of your mattress is one factor to consider when deciding if it's time to upgrade your sleep surface. But the most important factors of whether it's time to replace your mattress are the comfort and support your bed is providing.

Here are some things to consider when questioning how long you should keep your mattress.

Buying a new mattress probably seems like a hassle and very little fun for most people. On top of that, they can be costly and consumers are often confused with all of the different technology out there today. But, your mattress gets used more often than any other piece of furniture in your home. With that being said, it is also the only piece of furniture in your home that is going to affect how you feel on a daily basis, including your health, mood and overall wellbeing. Although manufacturer warranties on a good quality mattress are often ten years, how do you know if your bed needs replaced before the warranty has expired or if it will last even longer?

Are you still comfortable on your current mattress?

Couple relaxing on Serta iComfort mattress, on platform bed, with head of adjustable base in raised position.

Although this is a pretty obvious question when deciding on whether your mattress need replaced, many people still refer to the manufacturer’s warranty when regarding their comfort. If you are no longer comfortable on your mattress, there is no reason in keeping it just because the warranty still applies. It doesn’t matter if the mattress has a five, ten or even twenty year warranty if you are no longer sleeping well. The warranty is there solely for manufacture defects and has nothing to do with your level of comfort. Although at one time you may have slept restfully on it, over time our bodies change as we age. Other factors could also include, but not limited to, weight gain or loss, pregnancies or surgeries. You should only keep your mattress for as long as you are sleeping comfortably.

Is your mattress still supporting you properly?

As mattresses age, they lose support, which can lead to a disruption of your sleep. Typically, a mattress loses support where you sleep the most. This can cause you to roll into a depressed spot in the mattress. When one spot of your mattress is softer than the rest of the mattress, you will not be getting the optimal support. When your mattress is not supporting you correctly, it should be replaced.

The dust mite factor

No one wants to think about dust mites, but after many years of use your mattress is going to accumulate dust mites and their droppings, not to mention dead skin cells. Always use a mattress protector to help prevent these mites and dead skin amassment. Also, vacuuming your bed and even having it professionally cleaned is going to prolong the life or your bed. You will be able to keep your mattress much longer if you take care of it with regular cleaning and using a mattress protector. However, there is no way you can keep your sleep surface 100% allergen free forever. Because of this the Better Sleep Council recommends that a mattress should be replaced every 5-7 years.

What type of mattress do you have?

Closeup of hand imprint left on gel memory foam mattress and image of what the coils inside of an innerspring mattress look like.

The type and quality of mattress you have is also a determining factor in how long you should keep your bed. There is a reason why there is such a huge variation in price and that is because more expensive beds have more support and longevity due to the products used in making them. Innerspring beds can have coil counts with as little as a few hundred coils and some exceeding far more than a thousand. Memory foam beds have different densities and the depth and quantity of the foam vary from bed to bed. Obviously, the more foam and higher quality foams will last longer than the inexpensive, lower quality foam beds. These are factors that also determine how long you should keep your bed.

Is your mattress showing visible signs of age?

Image of mattress in black and white to portray that the mattress is old and worn out.

Do you see signs of wear and tear? Can you see divots and depressions? These are signs that your mattress needs replaced. As stated previously, how well you take care of your mattress and the quality and type of your bed are determining factors how often you should change it. In addition to those factors of wear and tear is also who is sleeping on the bed and how often. For instance, a guest bedroom is going to be used much less than a master bedroom, alleviating mattress breakdown. A small child is more than likely not going to break a mattress down quickly, as long as they are not jumping on it and it is of reasonable to good quality. However, two grown adults are going to wear down the foam or coils of a mattress much quicker than a guest room or child’s mattress, especially if they purchase a lower to mid grade mattress.

Do you wake up with back pain that goes away during the day

If you wake up in the morning with back pain or feel a little stiff and as you get moving around you feel fine during the day, then your mattress is probably worn and needs to be replaced. As your mattress ages, it loses support. Many times, people don't realize that their mattress is not supporting them very well anymore.

As you can see, there is no easy answer to how long you should keep your mattress. The warranty or relatively young age of the mattress is irrelevant if you are not sleeping comfortably or it has wear and tear. Dust mites and dead skin cells also play a huge factor of when to replace. These factors need to be considered when asking yourself if you think it is time for a new mattress.