img img
Stay In Touch

Lucky Mag is supported by our readers. When you buy through links on our site, we may earn a commission. Learn more.

How to Fix a Sagging Mattress

By: S I
Updated on: April 05, 2024

A sagging mattress is a common issue faced by many owners of modern mattresses and can greatly diminish the bed’s overall comfort. However, fret not! In this article, we’ll explore effective solutions to fix a sagging mattress, helping you regain the restful sleep you deserve. From simple tricks to more involved methods, we’ll cover everything you need to know to minimize the impact of sagging on your mattress. We’ll also discuss the telltale signs that indicate it’s time to bid farewell to your old bed and invest in a new one. So, let’s dive in and reclaim the comfort of your mattress!

What Does Sagging Feel Like, And Where Does It Usually Occur?

Sagging in a mattress can be identified by the presence of uneven spots or dips, typically forming in the central area of the mattress where the hips and shoulders come into frequent contact. As you lie on the mattress, you may feel a noticeable depression in these regions, causing discomfort and an overall lack of support during sleep.

The development of mattress sagging is attributed to the accumulation of pressure over time, particularly in saggy mattresses where body weight is concentrated. These common pressure points gradually leave visible and tangible indentations on the mattress surface.

Now, let’s explore the methods for addressing and rectifying the issue of a sagging mattress. By understanding the causes and effects of sagging, we can effectively find solutions to restore the mattress’s comfort and support for a restful sleep experience.

How To Fix A Sagging Mattress

Addressing a sagging mattress requires proactive measures to alleviate the issue and extend its lifespan. While it’s impossible to reverse the sagging pillow’s damage completely, there are effective steps to improve the situation and prevent premature sagging. By incorporating these simple strategies, you can ensure the longevity of your mattress and enhance your overall sleep experience.

Flip And Rotate Your Mattress Regularly

Regularly flipping and rotating your mattress is essential for its longevity and performance. Flipping involves turning the mattress over to the other side while rotating means changing the orientation by 180 degrees and switching the head and foot positions on the bed. You can effectively prevent premature sagging by adhering to this practice every three to six months.

The rotation process significantly distributes your body weight more evenly across the entire mattress surface. This helps to slow down the occurrence of sagging, especially if signs of sagging have already started to develop. By alternating the areas that bear the most weight, you can extend the mattress’s lifespan and maintain a more consistent level of support.

However, it’s essential to note that not all mattresses are designed to be flipped or rotated. For certain types of mattresses, these actions can potentially cause damage. Therefore, it’s crucial to consult our guide or contact your mattress manufacturer to determine whether your specific mattress is flippable or rotatable.

Purchase A Mattress Topper

If you find your mattress lacking in comfort or showing signs of sagging a mattress topper can be an excellent solution. A mattress topper is an additional layer of foam placed on top of the mattress to provide extra cushioning and support. Using a mattress topper can effectively alleviate back pain, sore shoulders, stiff neck, and other discomforts that may arise from aging without a memory foam mattress topper.

However, it’s important to understand that placing a new mattress topper on top of an old one is not a viable solution. Doing so can negatively impact both mattresses’ overall support, longevity, breathability, and warranty. A mattress topper is uniquely designed to offer additional comfort and support and should not be used as a substitute for a proper mattress.

Change Your Foundation

Addressing the issue of sagging mattresses, it’s crucial to consider the appropriate foundation for your bed. Memory foam mattresses, while popular, can sometimes lack support at the center, leading to faster sagging compared to mattresses with springs like the innerspring mattresses or hybrid options. On the other hand, latex beds boast inherent durability, surpassing that of polyfoam.

Hence, the selection of a suitable bed foundation becomes paramount. Using an inadequate mattress foundation can accelerate the sagging process, especially when slats are involved. The unsupported areas of the mattress become vulnerable spots for sagging to occur.

Enhance Support with Pillows

If you’re looking for a quick and effective solution, consider adding pillows for extra support in areas where your mattress has begun to sag. This simple adjustment can help alleviate any discomfort caused by an uneven and unsupportive mattress surface. By filling the empty spaces with pillows, you provide additional support and extend the life of your mattress.

Enhance Mattress Support with a Bunkie Board

Adding a bunkie board underneath your mattress can offer various benefits. A bunkie board is essentially a slim plywood sheet covered in plastic that is placed between the bed frame and the mattress. It functions like a box spring, providing additional support, stability, firmness, and improved weight distribution.

However, it’s important to note that lying directly on a piece of plywood may not be the most comfortable experience, even with a mattress on top. One common issue with bunkie boards is their impact on temperature regulation. The solid nature of the plywood restricts airflow from underneath, potentially leading to heat retention. If you prefer to sleep bundled up under your blankets, using a bunkie board might not be the ideal solution for preventing a sagging pillow top mattress and maintaining a smooth mattress surface.

Check Warranty Coverage Details

Another factor to consider is your existing mattress warranty coverage. Many mattress warranties include protection against sagging, but manufacturers typically have specific criteria that must be met before they cover the issue. These criteria often revolve around the depth or severity of the sagging.

Before investing in a new mattress, it is crucial to thoroughly review the warranty details to understand the extent of damage that the manufacturer is willing to cover. Being aware of these warranty specifications can help you make an informed decision and ensure you are adequately protected in case of any mattress-related concerns.

What Causes Mattresses To Sag?

Mattresses sag over time due to various factors that contribute to the gradual breakdown of foundation mattresses and their supportive structures and materials. Some common reasons for mattress sagging include:

Sleeping Position

One of the factors that can contribute to mattress sagging is the sleeping position of individuals using the bed. While specific sleeping positions, such as side or stomach sleeping, may not directly cause sagging, repeatedly sleeping in the same spot or position over an extended period can lead to mattress sags due to uneven wear and tear. As a result, certain mattress areas may become more compressed and lose their original support, causing sagging over time.

Poor Support

The quality and condition of the support system for the mattress play a crucial role in preventing sagging. An old or inadequate box spring or bed frame may no longer be able to provide the necessary support for the mattress, leading to premature sagging. Over time, the components of the support system can wear down, compromising their ability to evenly distribute the mattress weight and the sleeper’s body(s).

It is essential to ensure that the box spring or bed frame is suitable for the specific mattress and that it is in good condition to maintain proper support and prolong the mattress’s life.

Wear And Tear

Over time, sagging is a natural occurrence in a mattress’s life cycle. Night after good night’s sleep, the foam layers endure pressure, causing them to lose their support and resilience gradually. This results in a reduction of the mattress’s ability to maintain its original shape and comfort level. For innerspring and hybrid mattresses, sagging can also arise from the metal coils losing tension after years of usage.

If you are considering pairing a new mattress with an existing box spring, it is essential to ensure the box spring is still in good condition and capable of providing adequate support.

Regularly rotating and flipping the mattress can also help prolong its lifespan and delay the onset of sagging. Taking proper care of your mattress and using a sturdy support system can prevent sagging and enhance its durability and overall performance.

Consider Investing in a Durable, Fresh Mattress

If you’ve been grappling with the dilemma of fixing a dip in your mattress, sometimes the most apparent solution lies right in front of you: it’s time to buy a new mattress.

Though temporary fixes like mattress toppers and extra pillows may prolong the mattress’s lifespan, the dip will likely persist if the sagging results from the mattress materials breaking down. This prominent sign of normal wear often indicates that it’s high time for a replacement. Wondering about the recommended frequency of changing mattresses? Depending on the mattress type you own, replacing it every six to ten years is generally advised. Even if you fall within this timeframe, once the sagging sets in, there’s a high probability that it will only worsen with time. In such cases, bidding farewell to your old mattress is probably the best action.

Investing in a new, high-quality mattress will ensure you have a supportive and comfortable sleep surface, promoting better sleep quality, rest, and overall well-being. So, don’t hesitate to consider one of the best mattresses as a long-lasting solution for a rejuvenating and restful sleep experience.


How can I determine if my mattress is sagging?

Look for visible signs of sagging, such as noticeable depressions or uneven surfaces. Lie down on the mattress and check for lack of support or a sinking feeling.

Can I fix a sagging mattress on my own?

Yes, there are various DIY solutions available to fix a sagging mattress. However, for severe sagging, professional help might be necessary.

How often should I rotate my mattress?

Ideally, rotate your mattress every three to six months to promote even wear and prevent sagging.

Can placing plywood under the mattress help?

Yes, plywood can provide additional support to minimize sagging.

Does the warranty cover sagging mattresses?

The warranty coverage for sagging mattresses varies by manufacturer. Check the warranty terms to see if your mattress qualifies for a replacement or repair.

How long does it take to fix a sagging mattress?

The time it takes to fix a sagging mattress depends on the severity of the sag and the chosen solution. Some methods may offer quick fixes, while others may take more time.

Conclusion: Say Goodbye to Sagging Mattresses

A sagging mattress can severely impact your sleep quality and overall well-being. Following the expert tips and solutions outlined in this guide, you can effectively address sagging issues and regain a restful night’s sleep. Remember to regularly evaluate your mattress, invest in high-quality products, and practice proper mattress care to extend its lifespan. With these strategies, you’ll bid farewell to sagging and welcome rejuvenating slumber. Sleep tight!


Feeling Lucky?

Sign up for updates and
exclusive deals.