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Find Out How Long You Have to Wait for Your Boxed Mattress to Expand!

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Have you ever wondered how long it takes for a boxed mattress to expand? In this article, we’ll uncover the mystery and provide you with all the information you need to know about the process so you can make the best decision when it comes to buying a mattress. We’ll be exploring the factors that can affect the time it takes for a boxed mattress to expand, as well as the best practices for ensuring your mattress is ready to sleep on as soon as possible. So, let’s get started and uncover the truth about how long does it take for a boxed mattress to expand!

What is a Boxed Mattress?

What Is A Boxed Mattress?

A boxed mattress is a mattress that is shipped in a box and can be delivered right to your doorstep. It is made up of foam layers that are compressed, rolled and vacuum sealed so that it can fit into the box. This type of mattress is becoming more and more popular because of its convenience and ease of transport.

Advantages of a Boxed Mattress

  • They are easy to transport and set up
  • They are usually less expensive compared to traditional mattresses
  • They come in a wide range of comfort levels and sizes
  • They often come with a long warranty period

Boxed mattresses are a great option for those who are looking for an affordable and easy way to get a new mattress. However, there is one question that many people have: how long does a boxed mattress take to expand? This article will provide an answer to this question.

Factors that Influence Mattress Expansion Time

Factors That Influence Mattress Expansion Time

Room Temperature

The temperature of the room where the mattress is being placed affects the time it takes for the mattress to expand. For optimal results, the room temperature should be between 55-85°F. Who makes Spa Sensations Mattresses? Spa Sensations mattresses are made by Zinus, Inc.


Humidity also plays a role in the expansion time of mattresses. Too little or too much humidity can cause the mattress to take longer to expand. A humidity level between 30-50% is recommended.

Mattress Thickness

The thicker the mattress, the longer it will take to expand. Most mattresses are 10-12 inches thick and require 24-48 hours to expand.

Quality of Mattress

The quality of the mattress also affects the expansion time. High-quality mattresses will take less time to expand than low-quality mattresses.

How Long Does it Take for a Boxed Mattress to Expand?

How Long Does It Take For A Boxed Mattress To Expand?

1. Delivery Time: A boxed mattress is usually delivered within 3-7 days of ordering.

2. Unpacking: Once the mattress is delivered, you’ll need to unpack it and set it up. This usually takes 15-20 minutes.

3. Expansion Time:

  • Most foam mattresses can take up to 48 hours to fully expand.
  • Innerspring mattresses may take up to 72 hours to fully expand.
  • Hybrid mattresses typically take the least amount of time to expand and can take up to 24 hours.

4. Sleep Trial Period: Many mattress companies offer a sleep trial period of at least 30 days. This gives you plenty of time to make sure the mattress is comfortable and supportive enough for you.

5. Warranty: Most mattresses come with a 10-year warranty that covers any defects in the mattress. Make sure to read the warranty carefully and follow the manufacturer’s instructions for proper use and care.

Who Makes Spa Sensations Mattresses?

Who Makes Spa Sensations Mattresses?
Spa Sensations mattresses are manufactured by Zinus, a leading bed-in-a-box mattress company. Founded in 2004, Zinus has become one of the most popular mattress brands with its focus on advanced comfort technology, affordability, and eco-friendly construction. Zinus mattresses are made from a variety of materials, including memory foam, latex, and hybrid options. All Zinus mattresses are CertiPUR-US certified, meaning they are free from harmful chemicals and made without ozone-depleting agents. All Spa Sensations mattresses are backed by a 10-year warranty. With a variety of mattress sizes and firmness levels, Spa Sensations mattresses are designed to provide comfort and support.

How Long Does a Spa Sensations Mattress Take to Expand?

How Long Does A Spa Sensations Mattress Take To Expand?

A Spa Sensations mattress takes 2-3 days to expand fully, depending on the model and size. Here are the steps you need to follow for a successful setup:

  • Remove the mattress from the box: Carefully remove the mattress from its box and place it on the foundation or box spring. Make sure the mattress is placed on a surface that is even and flat.
  • Unwrap the mattress: Carefully cut the plastic wrapping and remove it from the mattress. Don’t use sharp objects to open the mattress.
  • Allow the mattress to expand: Allow the mattress to expand for 2-3 days. During this time, the mattress will reach its full size and firmness.
  • Replace bedding: After the mattress has fully expanded, you can make the bed with your sheets and other bedding.

Remember, it’s important to allow the mattress to expand fully before using it. If you don’t, the mattress won’t be as comfortable as it should be and the warranty may be voided.

Tips for Expanding a Boxed Mattress

Tips For Expanding A Boxed Mattress

  • Unpack the mattress: First and foremost, take your mattress out of the box and remove the plastic wrap. This can vary depending on the size of your mattress, but it should take no more than a few minutes.
  • Allow the mattress to rest: Give your mattress at least 24 hours to expand and air out. This will help the mattress to reach its full size faster.
  • Check for any wrinkles: If you notice any wrinkles on the mattress, you can try to massage them out using the palm of your hand. If you have trouble getting rid of the wrinkles, try using a steam cleaner.
  • Check for any lumps: If you find any lumps in the mattress, you can try to massage them out using a rolling pin. This should help to flatten out the lumps and help the mattress to expand more evenly.
  • Flip your mattress: Flipping your mattress can help to ensure that the mattress is expanding evenly. You should flip your mattress every few months to help maintain its shape and size.

Pros and Cons of Boxed Mattresses

Pros Cons
  • Convenience: Boxed mattresses are extremely convenient, as they can be easily shipped and transported.
  • Ease of Assembly: Boxed mattresses are usually easy to assemble, as they simply need to be unrolled.
  • Cost: Boxed mattresses tend to be cheaper than traditional mattresses.
  • Durability: Boxed mattresses may not be as durable as traditional mattresses.
  • Time to Expand: Boxed mattresses can take a while to expand, depending on the type and size.
  • Motion Transfer: Boxed mattresses may not be as good at isolating motion as traditional mattresses.

Frequently Asked Questions

How Long Should I Wait Before Sleeping on My Newly Delivered Boxed Mattress?

It is important to wait at least 24 hours before sleeping on your newly delivered boxed mattress. This will give your mattress enough time to fully expand and achieve its optimum shape. Additionally, it is also recommended to rotate your mattress after 24 hours to allow it to settle and expand equally.

What if my Mattress Doesn’t Expand to Its Full Size After the Allotted Time?

It is possible that your mattress may not expand to its full size after the allotted time. This could be due to a variety of reasons, including temperature, humidity, or the quality of the mattress. If this occurs, contact the manufacturer for assistance. They may be able to provide guidance on how to best fix the issue or provide a replacement.

Is it Possible to Speed Up the Expansion Process?

  • Remove Packaging Immediately – The packaging on the mattress can be a hindrance to the expansion process. Therefore, it is best to remove the packaging immediately to allow the mattress to expand faster.
  • Allow Air to Circulate – When the mattress is removed from the packaging, it is important to allow air to circulate around the mattress. This will help speed up the expansion process.
  • Use Heat – Using a heat source such as a hairdryer can also speed up the expansion process. It is important to be careful when using heat on a mattress as it can damage the material.
  • Wait It Out – Although not the fastest method, the most effective way to speed up the expansion process is to simply wait it out. Most mattresses will expand within 24-48 hours.

What if I experience a strong odor after unboxing my mattress?

If you experience a strong odor after unboxing your mattress, it is likely caused by the off-gassing of volatile organic compounds (VOCs) that are trapped in the foam or fabric. This is normal and should dissipate within 48 hours after the mattress is unboxed. To help speed up the process, try airing out the mattress in a well-ventilated room or use an air purifier to help clear the air.

Is it Safe to Move a Mattress While it is Still in the Process of Expanding?

No: It is not safe to move a mattress while it is still in the process of expanding. The weight and bulk of the mattress can cause it to damage itself and the surrounding environment. The mattress may also become uneven or misshapen if moved during the expansion process.

Reasons to Avoid Moving a Mattress While Expanding:

  • The mattress can become misshapen or uneven due to the movement.
  • It may cause damage to itself or the surrounding environment.
  • The mattress may not expand to its full size due to the movement.
  • The mattress may take longer to expand due to the movement.

It is best to wait until the mattress has completed the expanding process before moving it. If the mattress needs to be moved prior to being fully expanded, it should be done carefully and with extra caution.


It typically takes between 24-72 hours for a boxed mattress to expand to its full size. However, depending on the type of mattress and the environment it’s in, the time it takes for a boxed mattress to expand may be longer or shorter. To ensure optimal mattress comfort, it is best to give your boxed mattress as much time as possible to expand before use.


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