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How to Fix a Sagging Mattress

by Pam Silva

A dog comfortably curls up on a mattress

At a Glance:

Causes of a Sagging Mattress

How Does a Sagging Mattress Affect Sleep?

How to Fix a Sagging Mattress

Our Top Picks

FAQ

Why Trust Us?

No one wants to sleep on a sagging mattress. If you sleep alone, it’s hard to climb in and out of bed as the mattress seems to pull you in. If you sleep with a partner, you both will roll toward each other in the middle of the night.

Mattresses sag in different ways. Some sag in the middle while others wear out on one side from use. You might not even notice the sagging until it’s too late and you can’t enjoy a comfortable night’s sleep.

Are there real solutions for how to fix a sagging mattress – or are you better off just buying a new one? You might have a few options depending on the type of mattress and how it sags. Learn more about mattress sagging and what you can do about it.

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Mattresses

What Causes a Mattress to Sag?

Mattresses are designed to resist pressure. This is why you feel supported when you crawl into bed each night. The memory foam or coils (or both for a hybrid mattress) will gently compress against your body weight and then return to their original position when you climb out of bed. However, these mattresses can’t last forever. Most people need to change their mattresses every 10 years because they start to wear out.

Where your mattress sags can say a lot about your sleep position and who you share a bed with. Here are three common ways that mattresses sag:

  • Sagging in the middle: your mattress might start to fold inward (like a taco) if you sleep in the middle of the bed alone or if you sleep side-by-side with a partner.
  • Sagging on one side: if you sleep alone, your mattress could start to sag on the side you climb in and out of. This side gets more wear and tear than the other.
  • Sagging in the lower part of the bed: if you have a large pet that sleeps with you (like a dog), they could create a divot in the bed that causes sagging over time.

Unfortunately, it is hard to fix a sagging mattress because the issue is so targeted. You need to identify where the sagging comes from before you can fix it.    

How Does a Sagging Mattress Affect Your Sleep?

A sagging mattress isn’t just uncomfortable to climb into. It can also have short and long-term effects on your sleep hygiene. Here are a few symptoms you might experience if you aren’t getting quality sleep:

  • Back and neck pain: your mattress isn’t providing even spinal support, which can cause pain and even worsen back problems.
  • Poor sleep: you could spend the night tossing and turning, leaving you exhausted the next day.
  • Excessive heat: mattresses are designed to move air in specific ways. When your mattress starts to break down, hot air can get trapped underneath you.
  • Changes in exercise and eating habits: when you are tired, it’s tempting to reach for sugary snacks to provide energy. You also are more likely to skip workouts because of soreness and exhaustion.
  • Depression: in some cases, you might start to feel depressed because of consistently poor sleep. You will lack the energy to do your best work or participate in the hobbies you love.

Even the best mattresses can’t guarantee perfect sleep every night. The stress of life or late-night caffeine intake can keep almost anyone awake. However, your mattress shouldn’t be the main cause of your sleep problems and health issues. 

How to Fix a Sagging Mattress

There are a few different solutions for how to fix a sagging mattress if you aren’t sleeping as well as you like. Explore these options to see if they improve your sleep experience.

  • Change where you sleep. If you sleep alone, change the side of the bed you sleep on so you rest on the unworn area.
  • Flip the mattress. Some mattresses are double-sided, and a better night’s sleep could be as easy as slipping yours over.
  • Invest in a mattress topper. These toppers are designed to create even sleep experiences that provide support. Buying a topper could be an alternative to replacing your mattress in full.
  • Place a pillow under the mattress. Some people can add extra support to their sleep experience by placing a pillow under the sagging area. 

If you try multiple solutions to fix your sagging mattress and they don’t work, it may be time for a new one. If your mattress is more than eight years old, consider investing in a fresh sleep experience.

Find a Mattress That Won’t Sag

It can be incredibly hard to identify and fix sagging mattress problems. It’s entirely possible that your mattress is too worn to provide support. It’s worth it to your body and sleep cycle to invest in a better option. Here are two top mattresses on the market that can improve your sleep experience.

Beautyrest® Hadley Extra Firm Pocketed Coil Tight Top Full Mattress

Beautyrest® Hadley Extra Firm Pocketed Coil Tight Top Full Mattress

If you are looking for a basic mattress, consider this model by Beautyrest. This is an extra-firm mattress which decreases the chances that it will sag over time. The right coils can withstand years of use and will continue to provide support.

Along with support, this mattress has other systems in place to increase your sleep comfort. The Charcoal Memory Foam provides extra cooling, which is perfect for hot sleepers. This foam pairs with the proprietary NaturalCool™ system with cooling TENCEL yarns. Finally, the AirCool® Foam system creates air pockets in the mattress to further move hot air away from your body, creating a cool sleeping experience. 

Buying this mattress from Beautyrest is also a sustainable option. The Hadley Series comes with an exclusive partnership with SEAQUAL™. Each mattress comes with the positive environmental equivalent of 25 plastic bottles getting removed from the ocean. This organization is known for removing plastic from the ocean and turning the materials back into usable, sustainable options. Learn more about this mattress and if it’s right for you. 

Beautyrest Black® C-Class Innerspring Tight Top Medium Queen Mattress

Beautyrest Black® C-Class Innerspring Tight Top Medium Queen Mattress

This is the premier model by Beautyrest and offers customers an exceptional sleep experience. You will love curling up in bed every night with the T3 Pocketed Coil® which is designed to provide support for several years. This model also comes with the most advanced cooling system by Beautyrest. The plant-based technology keeps you cool even during the hottest months. 

While this is a spring mattress, it also comes with SurfaceTouch™ Gel memory foam support. This removes pressure from your body so you won’t wake up in pain. The Firm Comfort Foam also cushions your body without creating a sinking feeling. If you notice your Purple mattress sagging, consider opting for a Beautyrest Black model instead.

Check out customer reviews to see what other people have to say about this mattress. One buyer writes, “This is the best sleep I've gotten in a really long time. I love the look of the mattress, and the feel of it, I'm overall satisfied. I share the bed with two of my kids, and when I tell you they sleep like babies now!”

FAQ

Can you fix a sagging mattress?

It’s not always possible to fix a mattress that has started to sag. This is because the coils and foam have started to break down and you can’t replace the worn-out areas. You can reduce the effects of the sagging as a temporary fix before you replace your mattress.

Do some mattress types sag more than others?

Low-quality mattresses will break down faster because they don’t have multiple solutions and systems in place to support sleepers. Additionally, mattresses that are plusher (less firm) will break down more over time. If you want your mattress to last, look for firm options from trusted brands. You can increase your chances of sleeping better now and in the future. 

Why Trust Spencer’s TV & Appliance?

Since 1973, Spencer’s TV & Appliance has grown to 10 locations throughout the Phoenix Metropolitan Area. The secret to our longevity is simple: personal service. Customer satisfaction has always been the focus of our business, and throughout the years, we have been able to work hard with our suppliers to bring you the best prices. After all, getting customers the best price and personal attention is how we compete with big-box stores, day in and day out.

Not only do we offer top-rated appliances, name-brand electronics, and the best mattresses on the market but we also provide water treatment solutions and perform kitchen design services. Stop by your nearest Spencer’s and see what you’re missing!

Shop Mattresses at Spencer’s

At Spencer’s TV & Appliance, we provide high-quality, name-brand products at great prices — check out our catalog to shop mattresses online today. Your friends in the business are always happy to help you learn how to fix a sagging mattress or find a replacement for your home. Call us, or better yet, stop by at one of our locations in the Phoenix, Scottsdale, and Glendale regions. Visit us today!

Learn More: Top California King Mattress Picks This Year