How Long For Endy Mattress To Expand

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How long for endy mattress to expand

What Happens If You Sleep on a Memory Foam Mattress Before 24 Hours

So you’ve got a new memory foam mattress, you’re excited – in the back of your mind you remember some rule of thumb about waiting for a day before sleeping on it. The manufacturers say to wait for at least 48 hours before it expands fully, especially the ones that are still in the box. But if you’re curious what happens if you sleep on a memory foam mattress before 24 hours, then you’re in the right place.

Sleeping on a Memory Foam Mattress Too Soon

There are some essential things to consider before sleeping on a memory foam mattress too soon. For instance, most memory foam mattresses require up to two days before it goes back to its original size and form. After all, these mattresses are vacuum sealed, pressed and rolled tightly to fit in the packaging.

But can you sleep on a memory foam mattress the first night? Well, you can relax, jump, or do whatever you want with your bed as soon as you received it. Using it right away won’t cause any damage but will only speed up the process of expanding the foam.

This 24-hour recommendation is to ensure customer satisfaction and manufacturer guarantees.It also gives any off-gassing time to dissipate.

Why It Needs 24 Hours to Expand?

Well firstly, you you should know that the off-gassing happens in the first couple of hours. If it’s okay to sleep on your new memory foam without waiting for 24 hours to allow it to expand, then why do we still need 24-48 hours?

It’s all about the manufacturer guarantee. They claim that if it doesn’t fully open up and you did sleep on it then you’ll void that guarantee. If you’ve paid several hundred or even thousand on a new bed – you have to think twice about risking your money back opportunity.

But another important question is that, what should you do if your mattress takes more than 24 hours to expand fully? Well, there are rare cases wherein compressed memory foam mattresses don’t fully extend. If that’s the case, then you can ask your seller what to do to make it expand or ask for a new one.

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Zinus Mattress – How Long to Expand

Most Zinus Memory Foam Mattress like the 12 Inch Green Tea Mattress need 48 to 72 hours to relax and decompress and restore to its original shape. That’s why the Zinus company manual advice customers to open the packaging within 72 hours of arrival to make sure the mattress they ordered will fully grow to its potential.

And with the green tea extract infuse in the foam, you will not inhale hazardous and harmful smell with you first open the packaging. It will typically dissipate after laying the mattress in a well-ventilated area.

What to Do When Memory Foam Mattress Not Inflating?

Memory foams have different thickness levels. You can choose from an 8-inch mattress to a 13-inch memory foam bed. They are designed with open cells to conform to various shapes of sleepers using the bedding. Before they leave the factory, these mattresses are folded and compressed using a machine roller to fit into a small package.

The best way to use a memory foam is to let it expand before using. However, if it’s not inflating, there are simple tricks you can do to enjoy its comfort after 24 hours of arrival. Check these tips to help you out:

  • Unbox the memory foam within the three days of arrival. Remove the plastic cover using your hands. Never use any sharp objects like a knife and scissors when removing the mattress from the package to avoid damages.
  • Allow the foam to adjust in room temperature, which may take up to a couple of hours until it begins expanding. This step is essential, especially when you get your memory foam in the winter season. Foam mattresses tend to become more brittle if it’s still tight, which can lead to tearing.
  • Unroll it in a spare room so the open cells of the memory foam will expand and inflate freely. Separate each layer of the foam carefully to allow them to grow. Pull them in uniform motion with slow and steady hands.

What Are the Possible Reasons Why your Lucid Memory Foam Mattress is Not Expanding?

If your Lucid memory foam mattress is not expanding, there might be an essential step you haven’t performed after unrolling it. First, it needs time to develop, typically within 72 hours before you can finally use the mattress. So wait for it until it becomes entirely usable in its original size.

Some memory foam mattresses take one week to air out, but they lose the new-foam smell at the same time. It is already fully plumped when you noticed that the smell is gone. And you can use a mattress topper to retain the plumpness of your new memory foam.

Key Takeaways

The truth is, each mattress has its own expansion time and features. Therefore, the time required before they fully expand will depend on the model and brand you purchased.

Before you can move it to your bedroom, most memory foam mattresses that usually take 24 hours to decompress may still need at least two hours. Waiting for 24 hours or 72 hours to allow a bed to expand is a traditional belief.

Most of the mattresses offered on the market today only take a short time to decompress, and you can sleep on the right after unboxing them. So there’s nothing to worry about sleeping on your mattress too soon. You won’t damage your memory foam while sleeping on it during the first night.

The key is in the type of memory foam used in your mattress. The higher quality the foam, the better and faster it will expand in less than 24 hours.

Mattress Ruined. What Happens If You Sleep on Your Memory Foam Mattress Before 24 Hours?

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How Long to Let Your Memory Foam Mattress Expand?

The general rule is to give your new memory foam mattress 48 hours to expand and inflate to its proper size.

The real answer is not that simple. Every memory foam mattress has its unique requirements.

The following chart shows what each manufacturer recommends. Below that we go over where the 48 hours comes from and if you can immediately sleep on your new mattress.

Mattress Expansion Times For Each Manufacturer

amerisleepCan lay on it right away but could take 8 hours for the corners to expand fully and you should wait 2 hours before putting sheets on.
BEDBOSSShould decompress in 24 hours, but let it sit for 2 hours before moving it to the bedroom.
Bedinabox“It expands in about 3 minutes” is what I got when I emailed them. This seems too fast; I would still give it a few hours to be on the safe side.
CasperCan expand and be ready to sleep on in a few minutes but keep in mind that some will take longer.
Classic BrandsAllow 24 to 72 hours for the mattress to regain its full shape. If the mattress gets to its full height, it’s ready to use.
Dreamfoam Bedding6 to 7 hours from opening.
HelixGive it 2 hours to regain its shape, and you’re done.
LaylaWill take its full shape within minutes, and you can sleep on it right away. If you’re sensitive to smell give it a few hours to air out.
LeesaMay take up to an hour to expand but give it 24 hours to fully expand and be at its best
LinenspaUp to 48 hours but they do say you can jump on it as soon as you like. If anything they say your body heat can help speed up the expansion process.
LUCIDUp to 48 hours, but if it’s fully expanded after 24 hours you can go ahead and sleep on it.
LullWill do most of the expanding in 2 to 5 hours and fully expand in 24 to 48 hours.
MLILYShould be ready in 24 hours. Walking on it while it’s on the floor can help speed up the process.
NectarBetween 24 to 72 hours to expand.
Nest BeddingYou can sleep on it right when you open it, but it can take up to 24 to 48 hours for it to fully expand.
Olee Sleeplet it expand up to 72 hours
PuffyAllow it to expand and breathe for a few hours before putting bedding on it.
Purest Of AmericaAllow 24 to 72 hours to fully recover.
Signature SleepWait at least 48 hours.
Tuft & NeedleOnly takes several hours to reach the proper specifications, but in some cases, it may take up to 5 days.
TuloAllow it to sit for an hour before using it.
Zinus48 to 72 hours to fully decompress. Zinus recommends you sleep on the mattress during this time as it helps to full up the mattress. If after a week it hasn’t expanded, please contact them.

Don’t see your mattress? Go ahead and give it a couple of hours to expand, but let me explain why.

Can You Sleep on a New Memory Foam Mattress Straight Away?

The reason why you wait 24 hours, 48 hours or 72 hours is an old saying that people keep repeating.

As shown from the chart a significant number of manufacturers report shorter times and a good bit suggest sleeping on the mattress the first night. The reason is for your constant movements, and body heat loosens the foam. The more lose the foam, the better it expands.

Where The 48 Hour Memory Foam Expansion Time Came From

The first generation of memory foam mattresses is where this wait time wives tale came from. More time was needed for older memory foam mattresses to air out there odors.

The mattresses today don’t smell as bad; I would still recommend letting them air out for a few hours to absorb the smells of its surroundings. I know it sounds odd, but it’s well worth doing.

What if my mattress says to wait a few hours? – Well, it’s better to play it safe than sorry. The people that best understand your mattress are the ones who made it.

What If Your Memory Foam Mattress Is Not Inflating?

No need to worry if your memory foam mattress is not expanding; here is what you do.

Get the mattress flat as possible on the floor. Wearing clean socks walk on the mattress. The constant moving around combined with your body heat expands the mattress. I like to think of it as a mattress massage.

After massaging the mattress place it back on the bed frame and sleep for a few nights.

Keep in mind:New mattresses are like new shoes; they need to be broken in. Over the years you have gotten used to your old mattress, so the new one is going to feel different. We tend to forget this because we only buy mattresses every decade or so.

What To Do After Your Memory Foam Mattress Has Expanded?

I mean, you spent all this money you probably want it to last as long as possible?

If you want your mattress to last, you need a mattress protector.

Your mattress is a giant sponge, and it will soak up all the sweat, soda, dead skin and other nasty stuff you do in bed. Those liquids sit there not only making the mattress dirtier but destroying the function of the structure. It’s hard to work correctly when “waterlogged” with juices.

Plus, modern-day mattress protectors feel and look like regular bed sheets. I even have a review on the very one I use on my mattress. They’re not even that expensive either; I consider it crazy when people don’t use something so practical and affordable.

How Long Should You Leave a Memory Foam Mattress Before Sleeping on It?

It’s best to let your memory foam mattress expand for 48 hours. If you can’t give 48 hours then allow the mattress to expand for 6 hours before sleeping on it.

What Happens If You Sleep On Your Mattress Too Soon?

If you sleep on your mattress before it’s expanded it’s not the end of the world. In fact, many mattress manufacturers recommended you sleep on it the first night because your body heat helps to expand the foam.

I would not worry about it too much. The goal is to give the mattress a few hours before you sleep on it. It can take some mattress a whole week to reach its correct size and sleeping on it won’t hurt.

It’s Been A Week And The Mattress Has Not Expanded.

If it’s been a week and the mattress has not expanded correctly then, unfortunately, you have a defective mattress.

The good news is that this is usually rare. If it’s been a week no need to keep fighting it, contact the company you bought it from to check out the return policy. If you’re curious about returns and what they do with the old mattress check this out.

If you have to return the mattress and want a new one I’ve had good luck with Zinus Green Tea Mattress.

When can I sleep on my new Endy Mattress?

Once you’ve unboxed your Endy Mattress and removed the plastic wrapping, it will immediately expand to its full size in the space of a few seconds. If the mood strikes, hop on and take a nap right away; while the core of the mattress will take a couple of days to stabilize, using it right away won’t cause any damage. Now makes sure you’re set up with the best foundation for your new mattress.

Your Endy Mattress will reach its full firmness within 48-72 hours, and maintain its integrity for the life of the mattress. And that’s it! Happy sleep for the next 10 years!

Find out why 29 Secrets says sleeping on the Endy Mattress feels like a cloud of comfort.

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Published March 25th 2020

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Endy vs Douglas Mattress Review (2020)

We are owned and operated by We hire 3rd-party engineers and use public data to rate mattresses on over 25 criteria we believe important. Brands we own—Brunswick, Douglas, Juno, Logan & Cove, Novosbed, Podium, and Recore—are reviewed and advertised where indicated. Views expressed here are our opinions only. Full details.

Comparison Summary




Sleep Trial


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Price (Queen)

Is this the lowest listed price of the past 365 days?




Sleep Trial


Made In

Price (Queen)

Is this the lowest listed price of the past 365 days?

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How We Compared Endy and Douglas

As with all mattress reviews and comparisons on, Inc. tests major online mattress brands in order to continually update and improve its own products. Analyzing the builds, brands, and specifications of competitor mattresses ensures always offers the best possible value to its customers.

To provide a consistent benchmark for our tests, we commission third-party engineers to test every mattress in the exact same way. You can view the methodology of testing and the APEGA-stamped results document here.

Without further ado, ourEndy vs Douglas Mattress Review:

Endy vs Douglas: Company Overview


Company OverviewEndyDouglas
Price (Queen):$850 CAD$749 CAD
Available in:CanadaCanada
Made in:CanadaCanada
Trial length:100 nights120 nights
Warranty:10 years15 years
Price Guarantee:

Endy and Douglas are two of the most well-known mattress brands in Canada, with both brands having built up a loyal customer base. So, what are the backgrounds of these two popular mattress lines?


Endy is a bed-in-a-box mattress brand owned by Sleep Country, Canada’s largest chain of mattress retail stores. The company has been selling its “one-size-fits-all” foam mattress since 2015, competing with other online brands like Casper and Douglas. Endy mattresses are made in Quebec and shipped out from distribution centres in Ontario and British Columbia.

In Summer 2019, Endy Sleep launched the Mira mattress, a value brand sold for $300 less than Endy and with an additional 30 days on its sleep trial. Though new brands tend to leverage the established credibility and market trust of their parent company, neither Endy nor Mira chose to publicly disclose their relationship in the first few months following launch.


Douglas was introduced in 2017 by Canadian bed-in-a-box company Only available in Canada, Douglas was manufactured as a single-firmness mattress, designed using eight years worth of engineering data and customer feedback. designed the Douglas to be a value-packed, Canadian-made mattress at an unheard-of low price. They offer the same level of customer service for the Douglas as they do across their growing catalog, not to mention an industry leading sleep trial and warranty.




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Endy vs Douglas: Delivery, Sleep Trial, Returns


Delivery, Trial, ReturnsEndyDouglas
Shipping cost:Free shippingFree shipping
Shipping time:3–10 days3–10 days
Sleep trial length:100 nights120 nights
Return ease:Company picks upCompany picks up
Refund:Yes, full refundYes, full refund
Additional fees:NoNo

Thanks to modern compression methods and the rising popularity of the bed-in-a-box, mattresses can now be shipped far more efficiently and conveniently than ever before. Customers no longer need to take a day off work to accept a delivery. Boxed beds are now delivered with the same convenience as most Amazon orders. Some bed-in-a-box companies even offer same-day delivery to certain areas.

Endy uses UPS to deliver their mattress. Douglas uses FedEx. Both mattresses are delivered directly to customers’ doors throughout most parts of Canada. In some cases, the mattresses can even be left on a porch or deck while the customer is away from home.

Shipping time for Endy and Douglas are roughly the same. Both bed-in-a-box mattresses will be delivered within 10 days.

As with any other bed-in-a-box brands, Endy and Douglas heavily promote their in-home sleep trials.Douglas has the longest sleep trial of the two mattress brandsat 120 nightswith the option of a full refund. Endy offers a standard 100-night sleep trial.

If a customer wishes to return their Endy or Douglas mattress within the sleep trial, both companies will arrange to pick the mattresses up and issue a full refund. There are no additional return or restocking fees for the Endy mattress or the Douglas mattress.

Endy vs Douglas: Out of the Box


Out of the BoxEndyDouglas
Delivered in a box:YesYes
Box dimensions:28" x 28" x 42"17.5" x 17.5" x 44.5"
Box opening:Scissors requiredScissors required
Box/mattress fitting:TightTight
Protection layers:22
Expansion time:2 minutes2 minutes

Both the Endy and the Douglas mattress were delivered to us within the expected time frame. Both mattresses were well protected by heavy-duty plastic layers within the boxes to protect the mattresses during shipping.

The boxes for both mattresses were sealed with heavy-duty tape. Customers will definitely need scissors or a knife to open the packaging. To prevent potential harm to yourself or your new mattress, remember to be extra careful when using sharp objects to open the box.

Once opened, the compressed mattress is easy to remove from the box. We recommend a ‘tip-and-pull’ motion to slowly slide the mattress out of its cardboard packaging. Simply tip the box from a vertical position down onto its side, and then pull the lightweight box away from the bundled mattress. It’s most practical to complete this process in the room where you intend to use the mattress.

The Endy mattress and Douglas mattress are both protected with multiple layers of heavy-duty plastic – an inner layer to compress it in a vacuum seal, and an exterior layer to keep tightly bound in its cylinder shape. Customers will need to unwrap the outer layer of plastic in order to change the mattress from a cylindrical shape into a flat, albeit compressed, form.

Some helpful advice at this stage is to place the rolled up mattress onto the designated bed frame. Next, like the end of a roll of tape, find where the outer layer of plastic begins and start peeling it back. You can use the momentum of unrolling the compressed mattress along the bed frame to help remove the rest of this layer, which could be up to a few meters long. After completing this process, the mattress will rest unrolled before you.

Next, cut and remove the final layer of plastic. The vacuum seal now broken, the new Endy or Douglas mattress will begin to decompress. A bed-in-a-box mattress should expand to its full height within a few minutes to a few days. The Endy mattress and Douglas mattress both expanded to their full height within 3 minutes.

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