Best Mattress that Won’t Sag

By Geoff McKinnen Certified Sleep Coach

Last Updated On August 22nd, 2023
Best Mattress that Won’t Sag

Powered by Amerisleep, EarlyBird brings together a dedicated team of sleep science coaches, engineers, and product evaluators. We meticulously examine Amerisleep's family of products using our unique product methodology in Amerisleep's state-of-the-art laboratory. Our commitment to sustainability is reflected in our use of eco-friendly foam in our products. Each article we publish is accurate, supported by credible sources, and regularly updated to incorporate the latest scientific literature and expert insights. Trust our top mattress selections, for your personal sleep needs.

We all know that mattress sagging is unavoidable, affecting even our most trusted mattresses. Over time, as the aging process takes its toll, even the best mattresses lose their original support and shape.

The duration before a mattress succumbs to sagging can vary significantly. While some mattresses may give in after just a few years, others remain resilient, maintaining their form for decades. The key lies in factors like composition, support, and proactive measures to slow down aging.

Save $450 On Any Mattress

Plus free shipping

Get $450 OFF Mattresses

Let’s talk about some of the most affordable and comfortable anti-sag mattresses available in the market, as well as the secrets to help extend the lifespan of your mattress.

Best Amerisleep Sag-Free Mattresses

Mattresses are a big purchase. When we spend our hard-earned money, we expect our mattresses to be reliable and long-lasting. It can be disheartening when a mattress starts to sag. However, not all mattresses give in so easily, as reputable and trustworthy mattress manufacturers strive to create beds that can beat the test of time.

At Amerisleep, we go the extra mile and make sure not just our mattresses but our service and commitment to customers are top-notch. These beds have undergone rigorous evaluations and have proven to be of outstanding quality, providing a reliable and sag-free sleep experience over time. And with free shipping, a 100-night sleep trial, and an impressive 20-year warranty, we do our utmost to ensure customer satisfaction and peace of mind.

Quick Guide: A 30-Second Summary

Best Mattress That Won’t Sag Overall Amerisleep AS3
Best Firm Mattress That Won’t Sag Amerisleep AS2
Best Soft Mattress That Won’t Sag Amerisleep AS5
Best Natural Mattress That Won’t Sag Amerisleep Organica

Experience the Amerisleep AS3, an exceptional memory foam mattress designed to resist sagging. Its plant-based memory foam cater to various sleeping styles, providing ultimate comfort and support.

Mattress Highlights
  • Eco-friendly memory foam cushion
  • Transition foam provides targeted support
  • Stable, sag-resilient base foam
Recommended For
  • Side, back, combo sleepers
  • Hot sleepers
  • Couples sharing a mattress

The Amerisleep AS3 is the ultimate sleep companion, designed to bring you cozy nights and energized mornings. With a balanced medium feel, the AS3 can be just about what any sleeper needs in a mattress.

The AS3 mattress features innovative Bio-Pur® memory foam, combining the contouring and pliability of traditional memory foam with the buoyancy and breathability of latex. This eliminates issues like heat retention and slow response time, as it adapts to your body shape and quickly recovers its original form.

The use of plant-based materials also promotes a hypoallergenic and mold-resistant sleeping surface, creating a healthier sleep environment. Plus, the design limits off-gassing by minimizing volatile organic compounds.

With the HIVE® transition layer, divided into five support and pressure relief zones, the AS3 mattress ensures optimal comfort and support throughout your body. It supports your lumbar region and relieves pressure points, contributing to its versatility.

The mattress’s support layer is the Bio-Core® base foam, a high-density foam that provides exceptional lift and support. Its ultra-firmness enhances structural integrity, prolonging the mattress’s lifespan and enabling it to fulfill its impressive 20-year warranty.

Wrapped around these layers is Refresh fabric, a material that takes absorbed body heat and transforms it into infrared energy. This infrared energy then seeps back into the sleeper’s body, boosting local blood flow to improve overall recovery.

Save $450 on the Amerisleep AS3 with our discount code
Shop Now

Lie on the AS2 and relish its sag-free firmer design, offering targeted back support and advanced cooling technology.

Mattress Highlights
  • Firm plant-based memory foam
  • Cooling cover fabric deters hot sleeping
  • Supportive transition & base layers
Recommended For
  • Back and stomach sleepers
  • Hot sleepers
  • Heavier sleepers

The Amerisleep AS2 mattress is engineered to provide exceptional targeted back support for those who prefer sleeping on their back. We know that your mattress plays a pivotal role in achieving a restful night’s sleep and facing the day renewed and restored, so we’ve done all we can to ensure the AS2 accomplishes that.

First, let’s talk about the innovative cover fabric of Refresh. Designed specifically for Amerisleep mattresses, the Refresh cover is crafted from a unique fiber that effectively wicks away heat from your body, ensuring a cool and revitalizing sleep experience. With an impressive average temperature reduction of up to 7 degrees during the night, you can effortlessly drift into slumber and enjoy comfy sleep.

The AS2 features plant-based Bio-Pur® material with an advanced open-cell design, promoting superior airflow compared to conventional foam. This remarkable characteristic keeps you cool, comfortable, and well-rested, minimizing the need for constant tossing and turning and reducing night sweats. It also supports the body with gentle firmness while still whisking away tension with a pressure-relieving cushion.

Underneath is a transition layer with five zones of targeted support, including one for back support. Then a sturdy foam layer that reinforces the mattress structure and deters sagging.

Save $450 on the Amerisleep AS2 with our discount code
Shop Now

The advanced construction of the Amerisleep AS5 and its enhanced support make it an exceptional choice for anyone in search of a sumptuous mattress that maintains its shape and integrity over time.

Mattress Highlights
  • Soft layers of Bio-Pur®& Active Flex
  • Five zones of targeted support
  • Base foam ensures back support
Recommended For
  • Side sleepers
  • Hot sleepers
  • Lightweight to heavy sleepers

​​The Amerisleep AS5 is the ultimate luxurious soft mattress that combines unparalleled comfort and support. Renowned as the best soft mattress that won’t sag, it is an ideal choice for those who prioritize exceptional plushness. Standing tall at 14 inches, it offers a lofty profile that is easy to climb in and out of, making it perfect for different body types that crave softness and support.

The AS5 boasts a four-layer construction designed to deliver superior comfort and support. It begins with a 3-inch layer of Bio-Pur® foam, followed by a 2-inch Active Flex layer, a 2-inch Affinity layer incorporating HIVE® technology, and a solid 7-inch Bio-Core® base. This highly-rated design is similar to the acclaimed AS3 model but with additional support, creating a soft yet reliably supportive sleeping surface.

The first layer of Bio-Pur®is specially engineered to respond to your body’s unique curves, providing personalized comfort like no other. It’s like your mattress is giving you a warm, cozy hug! An effect enhanced by the Active Flex layer, which aids with surface responsiveness without affecting softness.

The next layer of Affinity foam with HIVE® technology is designed to offer targeted pressure relief. It’s like having your very own masseuse gently kneading away tension points as you drift off to dreamland. This feature is especially helpful for those who suffer from aches and pains, as it helps to alleviate those pesky pressure points and ensure a more peaceful slumber.

The base of Bio-Core® foam is sturdy and optimized for sag-free, spinal support. In other words, it keeps your back in a healthy, neutral position, allowing your muscles to fully relax and recharge. Say goodbye to waking up with a stiff neck or a sore back!

Like other mattresses in the Amerisleep numbered line, the AS5 is completed by the cover fabric of Refresh that ensures a stay-cool surface.

Save $450 on the Amerisleep AS5 with our discount code
Shop Now

The Organica is meticulously crafted using natural and organic materials that stand against sagging, creating a safe and healthy sleep environment.

Mattress Highlights
  • Talalay latex comfort and transition
  • Organic wool and organic cotton
  • Individually wrapped coils for support
Recommended For
  • Side, back, and combo sleepers
  • Hot sleepers
  • Sleepers with non-latex allergies

Amerisleep Organica is our natural latex hybrid mattress that stays resilient and won’t sag over time. This exceptional mattress combines the cooling comfort of a modern hybrid design with all-natural latex, making it our most eco-friendly choice yet. Engineered by environmentally conscious experts, the Organica mattress harmonizes luxurious comfort and sustainable materials for the ultimate sleep experience.

Its natural Talalay latex is exceptionally breathable compared to conventional foams. The first layer is conforming and melds to the body for pressure relief, while the second layer provides buoyant transition. Coupled with organic cotton and organic wool, the Organica minimizes its environmental impact while delivering unmatched comfort.

When it comes to improving your sleep, it’s vital to avoid harmful chemicals. That’s why we’ve strived to craft our materials with the approval of multiple certifiers:

The base of the coil is sag-free pocketed coils, ready to contour to the body and deter motion transfer. With its responsive cushioning and pain-relieving support, the Organica offers a balanced medium feel suitable for side, back, and combination sleepers. Each Organica mattress is painstakingly handcrafted to provide rejuvenating sleep for the next two decades, ensuring enduring comfort and exceptional quality.

Save $450 on the Amerisleep Organica with our discount code
Shop Now

The Impact of a Sagging Mattress

A sagging mattress can have a significant impact on your sleep quality and overall well-being. Not only does it compromise the comfort and support of your sleep surface, but it can also lead to various health issues such as back pain, poor spinal alignment, and disrupted sleep patterns.

Aching Back

A sagging mattress can contribute to an aching back, making it crucial to invest in the best mattress for optimal support. When a mattress sags, it fails to provide the necessary alignment and cushioning for your spine, leading to discomfort and potential back pain.

Foam beds, known for their contouring abilities, can help alleviate this issue by conforming to your body’s curves and maintaining proper spinal alignment throughout the night, reducing the likelihood of waking up with an aching back. By choosing a high-quality mattress that offers the right level of support and minimizes sagging, you can promote a healthier and more comfortable sleep experience.

Spinal Issues

A sagging mattress can have a significant impact on your spinal health, potentially leading to various spinal issues and exacerbating back pain. When a mattress loses its firmness and sags, it fails to provide adequate support to the natural curves of your spine, resulting in improper alignment and increased pressure on certain areas. This can lead to discomfort, stiffness, and even chronic back pain over time.

To mitigate these issues, it’s essential to choose the best mattress that offers proper support and minimizes sagging, ensuring optimal spinal alignment and reducing the risk of developing or worsening back problems. Investing in a supportive mattress can go a long way in maintaining a healthy spine and promoting a restful and pain-free sleep.

Restless Nights

A sagging mattress can have a significant impact on the quality of your sleep, leading to restless nights and a lack of rejuvenation. As a mattress sags, it loses its ability to provide proper support and pressure relief, causing discomfort and disrupting your sleep.

Tossing and turning become more frequent as your body tries to find a more comfortable position, resulting in fragmented sleep patterns and an overall feeling of restlessness. By choosing the best mattress that addresses sagging issues, along with other comfort concerns such as overheating, you can enjoy improved sleep quality.

Signs of Mattress Sagging

It is important to recognize when there are signs of mattress sagging as they can significantly impact your sleep quality and overall comfort. These signs often manifest as visible impressions on the surface of the mattress, indicating a loss of support and structural integrity. Understanding these signs is crucial for identifying when it’s time to replace your mattress and ensure a restful and supportive sleep environment.


Signs of mattress sagging are often evident through the presence of impressions on the sleeping surface. Over time, repeated pressure from the body can cause the mattress to lose its shape and develop noticeable indentations. These impressions may be more pronounced in areas where the most weight is concentrated, such as the hips, shoulders, or lower back. It’s important to pay attention to these impressions as they can affect the overall comfort and support of the mattress.

One key factor to consider is how the mattress sagging relates to your sleep position. For example, if you primarily sleep on your side, you may notice a deeper impression forming in the hip and shoulder areas. This can lead to an uneven surface, causing discomfort and potential misalignment of the spine. Similarly, individuals who sleep on their back may experience a sagging effect in the lumbar region, leading to inadequate support and an increased risk of back pain.

Speaking of back pain, mattress sagging can be a contributing factor to its development. When a mattress sags, it fails to provide proper support to the body, particularly the spinal alignment. This can result in an unnatural curvature of the spine during sleep, leading to muscle tension, strain, and ultimately, back pain.

If you wake up with recurring or intensified back pain that diminishes throughout the day, it may be a sign that your mattress is sagging and no longer adequately supporting your body.


One prominent sign of mattress sagging is the development of a noticeable dip or depression in the sleeping surface. This dip is often caused by the gradual breakdown of the materials within the mattress, particularly in areas that bear the most weight over time. It’s essential to be vigilant for these dips as they can lead to discomfort and inadequate support during sleep.

When assessing the extent of a dip, it’s important to consider the durability of the mattress material. The most durable mattress materials, such as high-quality foams or coils, are designed to resist sagging and maintain their shape over an extended period.

However, even with durable materials, the continuous pressure from body weight can eventually cause dips to form. Paying attention to the quality and resilience of the mattress material can help determine how resistant it may be to sagging.

Foam density also plays a crucial role in the susceptibility to mattress sagging. Higher foam density indicates a more solid and supportive structure, reducing the likelihood of sagging and indentations.

On the other hand, lower foam density may be more prone to compression and sagging, resulting in noticeable dips in the mattress surface. Therefore, considering the foam density when purchasing a mattress can contribute to its longevity and resistance to sagging.

Motion Transfer

Mattress sagging can impact motion transfer, especially when one partner’s side of the bed sags more than the other. This can cause an uneven sleep surface and increase the likelihood of motion transfer, disturbing the sleep of both individuals. Identifying and addressing mattress sagging can help mitigate motion transfer issues, allowing for a more peaceful and undisturbed sleep experience.

Causes of Mattress Sagging

The causes of mattress sagging can vary, but one common factor is the gradual loss of support and resilience over time. When a mattress lacks just the right amount of structural integrity, it can lead to the development of sagging areas, compromising its ability to provide proper support to the body. This can result in discomfort and potentially contribute to back pain and other sleep-related issues.

Poor Construction

Poor construction is a significant factor contributing to mattress sagging. When a mattress is inadequately designed or constructed with subpar materials, it becomes more prone to sagging over time.

Insufficient support systems, such as weak or low-quality coils, can lead to uneven weight distribution and compression points, resulting in noticeable sagging areas. Additionally, low-quality foam with a minimal density or poor layering can contribute to sagging and compromise the overall durability of the mattress.

Another consequence of poor construction is increased motion transfer. A mattress with inferior construction may lack proper motion isolation properties, meaning that movement on one side of the bed can easily transfer to the other. This can disrupt sleep and lead to discomfort for both partners, which is why a mattress for motion isolation is crucial for a couple’s comfort.

Additionally, the lack of proper support and stability caused by poor construction can exacerbate mattress sagging, as the repeated pressure and movement can accelerate the breakdown of materials and contribute to the formation of dips or indentations.

Improper Base

Using an improper base is a common cause of mattress sagging. When a new mattress is placed on an unsuitable foundation or an old, worn-out box spring, it may not provide the necessary support for the mattress. This can lead to uneven weight distribution and increased pressure on certain areas, resulting in sagging over time.

It is important to ensure that the base or bed foundation used with a new mattress is compatible and designed to provide adequate support to maintain the integrity of the mattress.

Occasionally, there’s also the case that a sagging mattress is used as a mattress base. Under no circumstances do we recommend putting a mattress on top of a mattress, but this one scenario is especially inadvisable.

If a mattress is already sagging or has developed visible indentations, using it as a foundation for a new mattress can further exacerbate the problem. The increased weight on an already unstable construction will likely worsen its damage and eventually lead to the mattress on top developing sags of its own.

Inadequate Maintenance

Inadequate maintenance can contribute to mattress sagging over time, even with mattresses that are designed to resist sagging. One factor is the lack of regular rotation and flipping of the mattress. Most mattresses should be rotated every three to six months, and some may also benefit from flipping.

Neglecting this maintenance routine can result in uneven wear and compression, particularly in areas where the body weight is concentrated. As a result, the mattress may start to sag and lose its supportive qualities.

This can also tie into the above reason of an improper mattress base. Without proper support, the mattress can become susceptible to sagging. The weight of the body, especially if unevenly distributed, can put excessive stress on specific areas of the mattress, leading to sagging over time. A high-quality bed frame or foundation that provides even support and distributes body weight properly can help prevent sagging.

Internal Damage

Internal damage can be a significant cause of mattress sagging, especially when it comes to the components within the mattress. One common culprit is coils. Over time, the individual coils can lose their resilience and start to sag, resulting in an uneven sleeping surface. It’s even possible for sleepers to deal with burst coils, where coils poke through a

This is particularly true if the open or pocketed coils are of lower quality or have insufficient durability. Regular wear and tear, coupled with the weight applied to the mattress, can gradually lead to compression and sagging in the areas where the coils are located.

Another factor contributing to internal damage and subsequent sagging is the quality and density of the foam layers used in the mattress. High-density foam is often used for its durability and ability to provide long-lasting support. However, if the foam is of low quality or lacks sufficient density, it may start to break down and lose its shape over time.

As a result, the mattress can develop indentations and sagging in areas where the foam is located. It’s important to choose a mattress that uses high-quality, high-density foam to minimize the risk of internal damage and sagging.

By being aware of the potential for internal damage and considering factors such as the quality of pocketed coils and foam density when purchasing a mattress, you can help prevent sagging and ensure the longevity of your mattress. Regularly inspecting your mattress for signs of wear and addressing any concerns promptly can also help mitigate internal damage and maintain the mattress’s structural integrity for a comfortable and supportive sleep surface.

Normal Aging

Over time, it’s natural for a mattress to experience some degree of sagging due to normal wear and aging. This is especially true when the mattress is subjected to the consistent weight and pressure of the sleeper’s body over an extended period. The materials within the mattress, such as foam or springs, may gradually lose their original shape and resilience, leading to visible indentations and sagging areas. However, selecting the best mattress that won’t sag can help mitigate this issue.

Body weight also plays a significant role in mattress sagging over time. Heavier individuals exert more pressure on the mattress, which can accelerate the wear and tear process. To combat this, it’s crucial to choose a mattress specifically designed to support higher body weights.

Opting for mattresses that offer superior durability and support, such as those constructed with high-density foam or sturdy coil systems, can help minimize sagging and maintain a comfortable sleep surface even with regular use.

Tips for Preventing Mattress Sagging

To ensure your mattress maintains its support and longevity, it’s essential to take proactive steps in preventing mattress sagging. By following these helpful tips, you can extend the lifespan of your mattress and enjoy a comfortable and supportive sleep surface for years to come.

Invest in Quality Mattress

When it comes to preventing mattress sagging, one of the most effective steps you can take is to invest in a high-quality and durable mattress. Opting for a mattress made with durable materials and solid construction can significantly reduce the risk of sagging over time. Look for mattresses that are designed with sturdy support systems, such as high-density foam or pocketed coils, as these can provide long-lasting resilience and support.

Additionally, consider mattresses that come with extended warranties, as this is often an indication of the manufacturer’s confidence in the mattress’s durability. In the mattress industry, a 10-year warranty is the standard, so mattress companies that offer longer warranties are demonstrating a clear confidence in their product. By investing in a quality mattress, you can enjoy a comfortable and sag-free sleep surface for years to come.

Flip and Rotate Regularly

To maintain the integrity of your mattress and prevent sagging, it is important to regularly flip and rotate it. Over time, the continuous pressure and weight applied to specific areas of the mattress can cause uneven wear and sagging. By flipping the mattress upside down and rotating the mattress from head to foot regularly, you distribute the weight and pressure more evenly across the surface.

This practice helps to minimize the risk of sagging in specific areas and extends the overall lifespan of the mattress. Aim to flip and rotate your mattress every three to six months, or as recommended by the manufacturer, to ensure optimal support and longevity.

Avoid Damage

To maintain the durability of your mattress and prevent unnecessary damage that can lead to sagging, it is important to take precautions and avoid potential hazards. One key aspect is to protect your mattress from spills, stains, and moisture by using a waterproof mattress protector. This creates a barrier between the mattress and any potential liquids, helping to prevent damage and maintain its structural integrity over time.

Additionally, it is advisable to avoid jumping or placing excessive weight on the mattress, as this can strain the materials and weaken its supportive capabilities. By treating your mattress with care and avoiding unnecessary damage, you can ensure that it remains in good condition and continues to provide the durability and support you expect from a high-quality mattress.

Save with Free Shipping on the Amerisleep Cooling Mattress Protector with our discount code
Shop Now

Find the Perfect Bed Base

Finding the perfect mattress base is crucial for maintaining the longevity and support of your mattress. Opting for a bed base that is compatible and supportive of your mattress is essential to prevent sagging.

A solid mattress foundation, such as a sturdy platform bed or a panel bed with evenly spaced slats, provides optimal support and distributes the weight of the mattress evenly. This helps to minimize stress on the mattress, allowing it to maintain its shape and structure over time.

There’s also the technological option of an adjustable bed. It completes your bedroom comfort, as it’s capable of changing its shape to give you the best sleep experience ever. How does it do that? Well, adjustable beds have a special mechanism that allows you to raise or lower different sections of the bed. It’s like having a magical remote control for your sleep!

Avoid using an old or worn-out bed base that may lack the necessary support, as this can lead to premature sagging. By choosing a supportive bed base that complements your mattress, you can enhance its durability and ensure a comfortable and sag-free sleep surface for years to come.

Save with Free Shipping on the Amerisleep Flat & Adjustable Bases with our discount code
Shop Now

Types of Mattresses

When it comes to finding the best mattress that won’t sag, understanding the different types of mattresses available is crucial. With various options like memory foam, latex, hybrid, and innerspring, each mattress type offers unique features and benefits that contribute to long-lasting support, durability, and resistance to sagging.

Regardless of your preference, both foam and spring mattresses offer unique features that cater to different sleep preferences and support requirements. By considering factors such as body weight, sleeping position, and personal comfort preferences, you can select the best mattress that won’t sag and enjoy restful nights of sleep.

Memory Foam Mattresses

Memory foam mattresses are a top choice for those seeking the best mattress that won’t sag. These mattresses feature multiple layers of dense polyurethane foam designed to provide exceptional support and alleviate joint pain. Say goodbye to that morning stiffness, those aches and pains!

With their ability to isolate motion, memory foam mattresses are especially beneficial for light sleepers and couples, ensuring uninterrupted rest throughout the night. So, if you have a restless partner who tosses and turns all night, you won’t be disturbed by their antics. You can enjoy a peaceful slumber and wake up feeling refreshed.

Still, every superhero has a few weaknesses, and memory foam mattresses are no exception. One drawback is that they can trap heat. The dense structure of memory foam tends to retain body heat, which can make you feel hot during the night. However, opting for a memory foam mattress with plant-based memory foam or cooling gel helps regulate body temperature, enhancing overall comfort and sleep quality.

Latex Mattresses

When it comes to the best mattress that won’t sag, latex offers a durable and eco-friendly option. Latex mattresses can consist of various types of latex, including synthetic, blended, and natural latex, either on its own or combined with other foams or supportive coils. The responsiveness of latex is one of its standout qualities, as it quickly regains its shape and prevents you from feeling stuck in your bed, providing a comfortable and supportive sleeping surface.

Unlike memory foam, latex provides a slight hugging sensation without fully contouring to your body. This balanced support allows for a comfortable sleep experience. Additionally, latex is known for its cooling properties, as its structure allows for airflow between you and the mattress, dissipating body heat. Many manufacturers even incorporate aeration techniques to further enhance the cooling ability of latex foam.

While latex mattresses excel in durability, eco-friendliness, responsiveness, and cooling, it’s important to consider other types of mattresses to find the perfect fit for your needs. By comparing the unique characteristics of different mattress types, you can make an informed decision and select the best mattress that won’t sag, providing you with a restful and comfortable night’s sleep.

Innerspring Mattresses

When it comes to finding the best mattress that won’t sag, the classic option of an innerspring mattress stands out. Innerspring mattresses have been around for a while and are known for their breathability and exceptional edge support, which helps prevent you from rolling off the bed. Typically, these mattresses feature a thin top comfort layer and a support system composed of steel coils.

Innerspring mattresses also offer a classic sleep experience with excellent breathability and mattress edge support. The sturdy support system of steel coils prevents you from rolling off the bed and provides a firm sleeping surface.

While innerspring mattresses offer affordability, it’s important to note that they may require a box spring for optimal functionality. Light sleepers or individuals with specific joint support needs may find other mattress options more suitable.

It’s worth mentioning that coil mattresses can sometimes be noisy and may cause discomfort for certain sleepers, leading to the potential use of a mattress topper to alleviate body aches. By considering these factors, you can make an informed choice and select the best innerspring mattress that meets your specific needs for comfort and support.

Hybrid Mattresses

When it comes to finding the best mattresses that won’t sag, hybrid mattresses are a top choice. These mattresses seamlessly combine the features of traditional spring beds and memory foam mattresses, featuring a comfort layer of 2-to-3 inches made of either latex foam or viscoelastic foam.

Supported by a coil base, hybrid mattresses ensure even weight distribution and provide a balance of support and body-hugging comfort. Notably, hybrid beds also offer mattress edge support, which can be especially advantageous for individuals with mobility issues.

For side sleepers seeking a bouncier bed, hybrid mattresses are an ideal option. Unlike innerspring mattresses that may feel too firm against their bodies, hybrid mattresses for side sleeping deliver the perfect combination of pressure point relief and a comfortable sleeping surface. With their unique blend of materials and supportive coil base, hybrid mattresses offer the best of both worlds for a restful and supportive night’s sleep.

Air Mattresses

An air mattress, also known as an inflatable mattress or airbed, is an inflated mattress with air to provide a sleeping surface. It typically consists of one or multiple air chambers that can be filled with air using an electric pump or manually. Air mattresses are often used as a temporary bedding solution, such as for camping or accommodating overnight guests.

While air mattresses are designed to maintain their shape and firmness, they are not immune to sagging over time. Several factors can contribute to the sagging of an air mattress.

First, if there is a slow air leak in the mattress, it can result in uneven inflation, causing certain areas to sag or lack proper support. The stretching or loss of elasticity in the materials used in the construction of the air mattress can also lead to sagging. Many like to test out an occasional-use air mattress before they offer it as a mattress for guests.

The distribution of weight on the air mattress can impact its tendency to sag. Prolonged concentrated or excessive weight on specific areas of the mattress can cause those areas to sag over time. Moreover, the support provided by the base or foundation on which the air mattress is placed can affect its overall stability and support. Placing the air mattress on an uneven or weak surface can contribute to sagging.

To minimize the risk of sagging in an air mattress, follow the manufacturer’s instructions for inflation and maintenance. Regularly inspecting the mattress for leaks and ensuring proper inflation can help maintain its integrity., as can using a supportive and even surface. Taking these precautions can prolong the lifespan of the air mattress.

Mattress Firmness

When we talk about sagging, we mean that the mattress becomes uneven or dips in certain areas over time. This can happen when the materials inside the mattress start to break down or lose their support.

While a firmer mattress typically contains denser materials that offer better support and are less likely to sag, it’s not the only factor to consider. Everyone’s preference for mattress firmness can vary. Plus, a softer mattress with high-density memory foam or latex can still withstand wear and tear well.

Some may find a softer mattress more comfortable, while others prefer a firmer feel. It’s essential to try different mattresses and find the level of firmness that suits your body and sleeping style. If you don’t have the most comfortable mattress for your needs, you’re unlikely to wake up refreshed and well-rested.

Sleeping Positions

Proper spinal alignment and pressure point relief are essential for a restful sleep, and they can be achieved by choosing a mattress that matches your sleeping position. Each sleeping position has unique support and firmness requirements to ensure optimal comfort and alignment throughout the night.

Side Sleepers

When it comes to finding the ideal mattress for side sleepers, prioritizing a soft, medium-soft, or medium level of firmness is key. Such mattress firmness levels ease pressure points and minimize the risk of experiencing joint and back pain.

Side sleepers are particularly prone to pressure build up due to the way the position strains their shoulders and hips. They require excellent mattresses for pressure points with durable materials.

Back Sleepers

If you mostly sleep on your back, you might be looking for the right mattress for back sleepers. It’s generally recommended to choose a mattress that is medium to medium-firm. This helps keep your spine aligned properly and prevents your hips from sinking too much.

By doing this, a mattress for back sleeping reduces pressure points and lowers the chances of feeling uncomfortable or in pain. As a result, you can have a more enjoyable and restful sleep.

Stomach Sleepers

If you like sleeping on your stomach, we recommend choosing an extra firm or medium-firm mattress. This firmness level helps prevent your spine from getting too bent, reducing strain on your back.

When your spine stays aligned properly, you’re less likely to feel uncomfortable and can enjoy a better night’s sleep. When looking for the right mattress for stomach sleeping, focus on options that offer great support and firmness. Also, consider features like breathability and durability to enhance your overall sleeping experience.

Combination Sleepers

For those who are combination sleepers, constantly shifting positions during the night, it’s important to find a mattress that caters to their needs. We suggest opting for a mattress for combination sleepers with a medium to medium-firm feel.

A mattress suitable for combo sleeping helps keep your spine aligned, reduces strain on your neck, and prevents snoring, so you can have a comfortable and restful sleep. When a mattress provides great contouring and support, it helps relieve pressure points and minimizes discomfort when you change sleeping positions.

Body Types

To choose a mattress that fits their body type and resists sagging, both petite and plus sleepers should consider a few key factors. First, assess the mattress’s materials and construction. Look for durable materials that can withstand the weight and provide long-lasting support. Consider mattresses for your body type with reinforced edges to prevent sagging along the sides.

Petite Sleepers

Petite sleepers, who have a lighter body weight under 130 pounds, generally find a medium to medium-soft mattress firmness more suitable. This level of firmness allows for mattresses for petite sleepers sufficient contouring and pressure relief. Lightweight sleepers can relax and enjoy comfort without excessive sinking.

Look for materials like memory foam or latex, as they offer excellent support and responsiveness for petite sleepers. These materials conform to the body’s shape while still providing the necessary support to resist sagging.

Plus-Sized Sleepers

On the other hand, plus sleepers, who have a heavier body weight over 230 pounds, typically require a firmer mattress to prevent excessive sinking and mattress sagging. We suggest opting for a medium-firm to firm mattress.

Look for mattresses for heavy sleepers with robust support systems. High-density foams or pocketed coils can better distribute the weight and provide the necessary support to stand against sagging over time.

Frequently Asked Questions

What type of mattress is least likely to sag?

An all-latex mattress is considered one of the least likely types of mattresses to sag. Latex is a highly durable material that maintains its shape and resiliency over time. It is known for its ability to withstand long-term use without developing significant sagging or body impressions.

Latex mattresses are constructed using layers of latex foam, which offer excellent support and pressure relief. The natural elasticity of latex foam allows it to bounce back quickly and retain its original shape, even after years of use. This resilience helps to prevent the formation of sagging areas and ensures a consistent level of support throughout the mattress. Even a latex hybrid mattress can resist permanent body impressions and indentations well.

What can I do to stop my mattress from sagging?

To prevent your mattress from sagging, there are several measures you can take. First, it’s important to rotate and flip your mattress regularly, distributing the wear and pressure more evenly to prevent excessive sagging in specific areas. Avoid placing excessive weight on the mattress, as this can accelerate sagging.

Proper mattress hygiene is also essential to prevent sagging, so keep your mattress clean and free from moisture. Moisture can degrade the materials and contribute to sagging and other issues like mattress mold. Use a waterproof mattress protector to protect against spills and accidents.

Finally, investing in a high-quality mattress made from durable materials like high-density foam, latex, or individually wrapped coils can significantly reduce the risk of sagging over time.

Are firm mattresses less likely to sag?

Generally, firm mattresses are less likely to sag compared to softer mattresses. The firmer the mattress, the more support it provides, which can help distribute weight evenly and maintain its shape over time. Firm mattresses typically have a denser construction and firmer materials that can better resist sagging.

However, it’s important to note that even firm mattresses can still experience sagging over an extended period, especially if not properly cared for or if they are made with lower-quality materials. Regular maintenance and choosing a high-quality, durable mattress are key factors in preventing sagging, regardless of the firmness level.

Do all memory foam mattresses sag?

No, not all memory foam mattresses sag. Plus, the level of sagging in a memory foam mattress can vary depending on several factors such as the quality of the materials used, the density of the foam, and the overall construction of the mattress.

Higher-quality memory foam mattresses that are made with dense foams and have a durable support system are less likely to sag. These mattresses are designed to provide excellent support and maintain their shape over time.

However, it’s important to note that all mattresses, including memory foam beds, can eventually experience some degree of sagging with regular use and age. Proper maintenance, such as rotating the mattress regularly and using a supportive bed frame, can help minimize the risk of sagging and prolong the lifespan of a memory foam mattress.

How long should a mattress last before sagging?

The time it takes for a mattress to sag can vary based on different things like its quality, materials, and how much it’s used. Usually, a good mattress can last around 7 to 10 years before sagging becomes noticeable. But remember, this is just an estimate, and some mattresses may last longer or sag sooner.

The durability of a mattress can also depend on factors like your body weight, how you sleep, and how well you take care of it. Taking proper care of your mattress, like rotating it regularly, using a supportive bed frame, and following the manufacturer’s instructions, can help make it last longer and delay sagging.

Can a mattress topper help fix a sagging mattress?

Adding a mattress topper can make a sagging mattress feel more comfortable, but it might not fix the sagging issue completely. A mattress topper is an extra layer that goes on top of the mattress to provide extra cushioning and support. It can help reduce pressure points and make the mattress feel better.

However, if the mattress is sagging because of internal problems or structural issues, a topper might not be enough to fully eliminate sagging discomfort.

Will the mattress warranty cover mattress sagging?

The coverage for mattress sagging varies depending on the specific warranty. So it’s important to carefully review the warranty terms and conditions to determine if sagging is included as a covered issue. As for Amerisleep, we cover sagging over an inch that is the result of defective materials. However, this is all contigent on a mattress owner taking care of their mattress and keeping it on a supportive base.

How can I choose a cooling mattress that won’t sag?

Choosing a cooling mattress that won’t sag requires considering a few key factors. Look for mattresses with cooling technologies such as gel-infused foams or breathable materials like latex. Opt for materials that offer good support, such as high-density foams or pocketed coils, to resist sagging.

Is a mattress likely to sag on the floor?

A mattress placed directly on the floor may be more susceptible to sagging over time due to inadequate airflow and lack of proper support. Using a foundation or platform bed can help distribute weight and provide better support, reducing the likelihood of sagging. Keeping a mattress on the floor also comes with other risks, such as increased chances of mattress mold and greater exposure to dust, allergens, and pests.

The Bottom Line

Finding the best mattress is crucial for a comfortable and restful sleep experience. Investing in a durable and high-quality mattress can provide long-lasting support and prevent sagging over time. By considering your specific sleep preferences, body weight, and any existing health concerns, you can select the best mattress that won’t sag and enjoy a rejuvenating sleep night after night.

About the author

Geoff McKinnen is a writer focusing mainly on the healthcare industry and has written articles on everything from foods to help you lose weight to the connection between Alzheimer’s and sleep. Geoff’s passionate about helping readers improve their well-being to lead happier lives. Outside of work, Geoff enjoys cycling and hiking and believes that by leading a healthy lifestyle, he can help others do the same.

View all posts

Discover the ultimate sleep system

Choose your mattress

Shop top-rated mattresses with proven sleep-boosting materials.

Get a pillow

We have the perfect pillow to pair with your mattress.

Browse Pillows

Pick out bedding

Bring out the best in your mattress with our soft and breathable bedding.

Browse Bedding