Why Is My Air Mattress Bulging On One Side

Why Is My Air Mattress Bulging On One Side?

(Last Updated On: July 14, 2023)

Have you ever woken up in the middle of the night on an air mattress, only to find it bulging on one side like a giant, misshapen marshmallow?

It’s an experience that no one should have to go through—it’s uncomfortable, irritating, and downright embarrassing if you’re hosting guests.

But don’t worry, help is on the way.

In this article, I’ll be sharing with you the causes of air mattress bulging, and what you can do to fix it.

Whether you’re a first-time air mattress user or a seasoned ‘pro,’ I’m confident you’ll find something useful in this article.

With the right knowledge and preparation, you’ll be able to sleep soundly and comfortably on an air mattress without the fear of waking up to a lumpy bed.

What Causes Air Mattress Bulging On One Side?

You might be wondering what’s causing your air mattress to bulge on one side – let’s take a look! The most likely culprit is overinflation, as air mattresses are designed to be inflated to a certain level only.

Inflating your air mattress beyond the recommended level can cause the material to stretch and bulge on one side. It can also be a sign of poor quality construction, as air mattresses made with low-grade materials are more susceptible to bulging.

In addition, regular use of your air mattress can cause it to wear down more quickly, leading to a bulge on one side. In order to avoid the issue of your air mattress bulging on one side, it is important to properly prepare it.

This involves ensuring that you’re using the correct inflation levels as well as regularly inspecting your air mattress for signs of wear and tear. Additionally, make sure you use a quality air mattress that’s designed to last.

Taking these steps will help to ensure that your air mattress remains in great condition without any bulges.


Putting proper preparation into inflating an air mattress is essential; in fact, up to 70% of air mattresses that are returned are due to improper inflation.

When preparing to use an air mattress for camping trips or other occasions, it’s important to follow a few key steps to ensure your mattress is properly inflated:

  1. Make sure the mattress is completely deflated before beginning.
  2. Connect the pump and begin inflating the mattress.
  3. Monitor the progress and check for any bulges or weak spots.
  4. Check for any leaks in the mattress and repair them as needed.

Inflating an air mattress is a simple process, but it does require preparation and attention to detail. Taking the time to properly inflate the mattress can help avoid any issues while camping.

It’s also important to remember to deflate the mattress and press down on it before storing it, as this can help prevent any bulging from occurring in the future.

Deflating and Pressing

Before storing an air mattress, it’s important to deflate and press it down to avoid any potential bulges in the future. To do this, start by locating the air valve and ensuring it’s securely sealed.

Then, take a few moments to apply pressure to the mattress and press down on the edges and center to help expel as much air as possible. This will help ensure that the mattress remains flat and free from any bulges or lumps that could lead to back pain and discomfort. Additionally, pressing down on the mattress will help ensure a tight seal on the air valve, so that no air escapes when the mattress is stored.

By taking the time to properly deflate and press down on the mattress, it can help ensure a comfortable sleep and no unexpected bulges or lumps. This will help keep the mattress in top condition for the long term.

Pressing down on the mattress is just the first step in the process of storing an air mattress. Once it’s properly deflated, the next step is to re-inflate it and add air until it reaches the desired level of firmness.


Once the mattress is fully deflated, it’s time to re-inflate it and make sure it’s as comfortable as you want it to be. There are several ways to do this, each of which offer you the freedom to choose the best option for your situation:

  • Portable Options: If you’re away from home and on the go, you can use a portable electric air mattress pump, a mini electric pump, a hand pump, or even a bicycle pump to inflate the mattress.
  • Fix at Home: If you’re at home, you can use an electric air pump to inflate the mattress quickly and easily.
  • Bubbles: If you want to inflate the mattress but don’t have any air pump, you can use a vacuum cleaner with a special attachment to create bubbles in the air mattress and get it to inflate.

Re-inflating your air mattress can be a quick and easy process, but it’s important to make sure that the mattress is not leaking or bubbling when you’re done. By using the right tools and following the right steps, you can ensure that your air mattress is as comfortable as you want it to be and will stay that way for many years to come. Once the mattress is full of air, the next step is to make sure it’s sealed around the valve so that no air escapes.

Sealing the Valve

To ensure your mattress is comfortable and stays that way, it’s essential to make sure the valve is securely sealed. If the valve isn’t properly sealed, your mattress may not inflate correctly, resulting in an uncomfortable sleeping surface.

This can be caused by improperly storing the mattress when not in use, or by leaving bedding on the mattress when it’s being stored. To ensure the valve is properly sealed, it’s best to store the mattress without any bedding or other items on it.

Taking the time to properly store the mattress will ensure you get the best quality sleep. Additionally, it’s important to periodically check the valve for any signs of wear and tear or damage, as this can also cause the mattress to bulge on one side.

Taking these steps will help you avoid the frustration of an uncomfortable mattress and ensure you get the best sleep possible.

Frequently Asked Questions

How do I know when my air mattress needs to be re-inflated?

I can tell my air mattress needs to be re-inflated when it gets soft and loses its shape. I’ll start by feeling it with my hands to check for firmness. If it’s not as firm as it usually is, then it’s time to add more air.

How can I prevent my air mattress from bulging on one side?

I can prevent my air mattress from bulging on one side by regularly rotating and flipping it, checking for leaks, and inflating it to the recommended pressure. This ensures even distribution of weight and air pressure, so my mattress stays comfortable and free from bulging.

Can I use a pump to inflate my air mattress?

Yes, you can use a pump to inflate your air mattress. For example, I recently purchased a new air mattress and used a pump to quickly and easily inflate it. The process was simple and took only a few minutes. Inflating with a pump helps ensure your mattress stays firm, providing you with a great night’s sleep.

How long should I wait before I sleep on my air mattress after inflating it?

It’s best to wait at least 12 hours after inflating my air mattress before using it. This will allow enough time for the mattress to fully expand and for any areas that may not have been properly inflated to be taken care of. Doing this will provide a comfortable, safe sleep experience.

Are there any special cleaning instructions for an air mattress?

I clean my air mattress with a vacuum or damp cloth. Spot clean any spills or stains with a mild detergent and cold water. Avoid bleach or any harsh chemicals. Air dry for best results.

Key Takeaways

  • Bulging on one side of an air mattress is often caused by overinflation, poor quality construction, or regular use.
  • Proper preparation, including proper inflation techniques and checking for leaks, is essential to avoid bulging.
  • Deflating and pressing down on the mattress before storage can prevent future bulges.
  • Sealing the valve is important for proper inflation and comfortable sleep, and periodic valve checks are necessary to avoid bulging.


After carefully assessing the situation and taking the necessary steps to fix it, my air mattress is finally back in its full glory. All the bulging has been taken care of and I’m ready to get a good night’s rest.

This experience was a real eye-opener. It reminded me that even the most seemingly innocuous issues can have serious consequences if not addressed properly. Like a snowball rolling down a hill, a small problem can quickly become a big one.

Thankfully, I was able to take care of it before it became a mountain of an issue.