What Happens If You Sleep On A Memory Foam Mattress Before 24 Hours

We all love to have a fresh bed with fresh bedding – it’s one of the most comfortable things to see at the end of the day, and what could possibly make that better? A brand-new memory foam mattress!

The thing is, when you’ve got the new mattress through to your home, you might have read the pamphlet, and it’s telling you that you must wait at least 24 hours before sleeping on it. 

You don’t want to wait that long to enjoy the comfort, and you get increasingly more frustrated. So, would there be any harm in using the mattress right away?

We’re going to look at why it’s recommended to wait 24 hours before sleeping on your brand-new memory foam mattress and what might happen if you don’t want to wait that long – and give you some other great information regarding a memory foam mattress!

So, get comfy – and let’s get into it!

What Exactly Is A Memory Foam Mattress Anyway?

Memory foam mattresses were a brand-new version of bed technology that aimed to provide the most amount of comfort and support from your body. 

It uses your natural body heat and shape to mold an area on the mattress that suits your needs and relieves any sleeping problems a person might have been experiencing. 

The technology was originally developed for astronauts in the 1960s to reduce pressure caused by travelling through the atmosphere of the earth. 

A memory foam mattress will “remember” a person’s shape, hence their name. It takes a while to return to its original shape and this is how it can, over time, get to know its user. 

Not only is this technology used in mattresses, but it’s now available in other bedding materials and comfort items such as toppers and pillows. 

Why Do I Need To Wait 24 Hours To Sleep On It?

The rationale behind waiting 24 hours to use the mattress is due to the time it takes to revert to its original shape – and this is due to the delivery method. 

Generally, mattresses will be purchased either via a “bed in a box” delivery system or in a bedding store. Whichever method is chosen, memory foam mattresses will be packed into a box or into protective sheets. 

These items that surround the mattress for protection before getting into your bedroom also can change the shape of the mattress before use. It will therefore need to return to its original shape before it can “get to know you”. 

Customers are mostly advised to wait at least 24 hours for the mattress to re-expand back to the original form and depending on the delivery method, it can take longer to revert to its desired starting shape. 

Manufacturers are also trying to cover themselves for insurance and liability purposes. First, a customer has a level of expectation when they purchase any product – but perhaps more so when it comes to their health. 

As a memory foam mattress can be expensive, customers will be even further concerned if they’re not getting what they paid for and are likely to demand a full refund if the product is not up to their expectations.

Additionally, if the mattress has not been fully expanded back to its original shape – it can be difficult to notice if the mattress has any imperfections which can complicate matters and make a good night’s sleep become a nightmare. 

Customers will be entitled to an exchange from most manufacturers or a full refund if they have followed the 24-hour guidance. 

What Are The Consequences If I Don’t Wait 24 Hours Before Use?

What Are The Consequences If I Don’t Wait 24 Hours Before Use?

The most obvious problem to consider is, if your memory foam mattress does have imperfections or tears etc. and you did not wait 24 hours and therefore did not notice – the manufacturer does not necessarily have to refund your product or provide an exchange. 

There isn’t going to be a large issue as such other than this. In fact, if you have a few hours left to wait – some people have claimed that it is beneficial to the mattress shaping process due to your body heat speeding up the expansion. 

It is important to remember though that generally memory foam mattresses won’t necessarily “work” for the first time.

It takes a while for you and the mattress to “get to know” one another. So, if you feel you haven’t had a totally comfortable sleep on night one – don’t panic just yet.

However, if you have waited the full 24 hours and the mattress does not seem as if it has fully expanded properly – it is worth getting into contact with the manufacturer for advice. 

Many manufacturers understand that memory foam mattresses take time to get used to and give you the full benefit out of them, therefore some will offer what is known as a “sleep trial”, where several days or weeks of use will be allowed before confirmed purchase. 

If you are apprehensive about buying a memory foam mattress – consider seeking out a manufacturer that offers these sleep trials. 

Does The Size Of The Mattress Make Any Difference In Waiting Time?

Not necessarily. It’s more about the delivery method and how long it has been “out of shape” before you have let it out of the box or protective wrapping. 

As a rule of thumb, if you have waited a maximum of 48 hours, and you notice problems such as tears and rips, or the mattress has not fully expanded – you should be contacting the manufacturer to assess your options. 

It’s worth taking photographs and emailing them to the manufacturer to save time and potentially delivery costs. 

The Bottom Line 

Nothing major should happen if you choose to use your memory foam mattress prior to the 24 hours recommended, but it is wise to wait for liability purposes and to ensure you get the best out of your purchase. 

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