What Happens When You Sleep On Memory Foam Before 24 Hours?

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Memory foams are the new in-thing for mattresses. They are soft and designed to accommodate any body size. They mold to your body shape for maximum comfort. You definitely got one to replace your old mattress.

You have finally gotten that memory foam mattress you have been dreaming about. As you read the user’s instructions or manual, you learned you have to wait one entire day. You have thrown your old mattress away. The floor is not an option. You want to sleep on your mattress today. But what happens if you do.

What Happens When You Sleep On Memory Foam Before 24 Hours? Nothing. Your memory foam mattress will most likely still perform wonderfully. However, the 24 hours instruction is given by the mattress manufacturer to give you the best from your memory foam mattress. Your mattress is able to expand properly from the box shape it has been compressed in.

You might notice that something about your mattress doesn’t look just right though when you unpacked it

What Happened To My Memory Foam Mattress?

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The first time you open your boxed and rolled memory foam mattress, you might be disappointed. You might wonder if there was some sort of manufacturer’s error. You need not worry.

Your memory foam mattress had been mechanically pressed, vacuum sealed and rolled for easy delivery. A machine packages your memory foam like this. This style of packaging does not affect your memory foam mattress in any way.

Manufacturers ask you to wait 24 hours to 72 hours in order to allow the mattress inflate to its normal size. The pressing and rolling might have reduced the size of your mattress. Airing it out will return it to its natural size.

Some sites will tell you that there is nothing wrong in sleeping in your new memory foam without waiting the advised hours. Many people have actually slept in their foam mattress on the first day without negative consequences. I personally would advise you to wait it out.

The instructions on your manual were given for a reason. You might not like them but better safe than sorry. If you really really need to sleep on your mattress though, you can go ahead. In the case that your mattress does not expand, you can return it to the manufacturer or ask for tips on what to do.

Why Should I Wait Those Extra Hours?

You might wonder why you should wait when you can sleep on your mattress now with little or no consequences. There are certain benefits to leaving your mattress for the manufacturer’s recommended 24 or 72 hours.

One of the key benefits of letting your mattress air is ventilation. Your mattress might be centriPU-US certified. This means it meets all the safety and cleanliness requirements. However, your memory foam and its plastic covering might have a slight smell from the packaging.

Letting your memory foam air for 24 hours will remove this smell. If you are sensitive to smells or just don’t like peculiar smells, you should definitely air. After airing, the smell will be completely removed though.

You should definitely leave your mattress for your manufacturer’s prescribed hours for the sake of caution. The popular saying that you never were on the side of caution is not just a saying. Your mattress will definitely have a better feel if you can wait.

If this is too much trouble though, you can sleep on your mattress. In the rare case that your memory foam never expands, you should contact the manufacturers promptly. How do you keep your memory foam in great shape though? Even if you sleep on it before 24 hours.

How Do I Care For My Memory Foam Mattress?

Memory foam is a very simple mattress to maintain. There are actually a few things that differentiate its maintenance from other mattresses’ though. You should also take the time to understand your manufacturer’s instructions for the maintenance of your mattress.

Generally, here are a few things you should take note in memory foams;

  • Rotation: This is quite different from flipping or turning your mattress over. The memory foam mattress is a combination of foams in a certain way to give your body the best comfort. Flipping your mattress might negate this purpose. You have to rotate your memory foam at least once in a month or two. If you don’t, your mattress adapts to the shape of your body. This creates a body-shaped indentation on your mattress. This could even cause sagging.
  • Ventilation: It is very important to keep your memory foam well ventilated. When it first arrives, you should air it out in a warm, well-ventilated room. This will help it to quickly expand. You should also keep your mattress in an airy space at all times. This will help give you the best comfort from your bed. This will also prevent the growth of mildew and mold on your mattress. You can make it a practice to air your mattress at least once every six months.
  • Cleaning: You should try and keep liquid and food from off your mattress at all times. However, if an accident does occur, there are a few things you could do about it. If your mattress that comes with a zipped cover, check if the material is machine-safe. You can unzip it and wash it in a washing machine. Some models do not come with zipped covers though.

You can wash the traditional way with a damp cloth and detergent. Before you rush off though, you should also confirm with your manufacturer. Some chemicals should not be used on certain mattresses. Make sure to know what you can use on your mattress and what not to for safety’s sake.


I am sure you are ready to wait out your mattress now. If you still do not want to, no problem. Just make sure your mattress expands. Make sure you contact your mattress manufacturers if you encounter any challenges. Check out Tech Trends Pro