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Memory Foam 101: Everything You Need to Know

29 August 2023

You're probably wondering what all the fuss is about memory foam. Why are people talking about it like it's the best thing since sliced bread? Well, wonder no more. We're here to give you the 101 on everything memory foam. What is it? How does it work? And most importantly, should you buy a mattress made of the stuff?

In this blog post, we will discuss everything you need to know about memory foam mattresses. We will cover what memory foam is, how it works, and the benefits of using it. By the end of this article, you will better understand what memory foam is and why it might be the right choice for you!

What Is Memory Foam?

Memory foam is a viscoelastic polyurethane foam that NASA developed in the 1960s for use in aircraft seats. It is made from polyurethane that has been treated with various chemicals to improve its properties and make it more durable. The foam is designed to respond to pressure and heat, which makes it very comfortable and supportive. It can be found in mattresses, pillows, furniture, and even sports equipment.

How Does Memory Foam Work?

Memory foam works by responding to your body's temperature and weight. When you lie down on memory foam, it molds itself around your body like a giant hug! This creates a personalized fit that can help alleviate pain and pressure. It also helps evenly distribute your weight so you don't sink in too much or have uncomfortable lumps. Memory foam is known for its exceptional comfort and support, which is why it's used in many high-end mattresses.

What's the Difference Between Memory Foam and Gel?

Memory foam and gel mattresses are designed to provide comfort and support, but they work differently. Memory foam mattresses are made from viscoelastic polyurethane foam that molds around your body to provide personalized support. Gel mattresses use a combination of gel beads and memory foam to create a unique sleeping experience. The gel beads help keep the mattress cool, while the memory foam layer provides comfortable cushioning.

What Are the Benefits of Using Memory Foam Mattresses?

Memory foam offers numerous benefits over traditional mattresses and pillows. Let's take a look at some of these benefits:

Comfort and Support

Memory foam provides a personalized fit that molds to your body's shape for ultimate comfort and support. It evenly distributes weight, so you don't sink in too much or have any uncomfortable lumps.

Reduced Motion Transfer

Memory foam is also known for its motion isolation properties, meaning it absorbs movement instead of transferring it across the mattress like traditional mattresses do. This can be especially helpful if you sleep with a partner!


Memory foam is hypo-allergenic, meaning it won't attract dust mites or other allergens. This makes it a great choice for those with allergies!

Improved Durability

Memory foam is extremely durable and long-lasting. Unlike traditional mattresses, which start to sag within a few years, memory foam holds its shape and provides consistent comfort over time.

Pressure Relief

Memory foam has unparalleled pressure-relief properties. It helps to reduce the pressure on your joints and muscles, which can help alleviate pain and discomfort associated with chronic conditions such as fibromyalgia or arthritis.

Easy Maintenance

Memory foam mattresses are low-maintenance and require very little upkeep. Unlike traditional mattresses, which need to be flipped regularly, memory foam doesn't need to be turned over.

Are There Any Cons of Using Memory Foam Mattresses?

Memory foam mattresses are not perfect, and there are a few potential drawbacks to consider.

Heat Retention

Memory foam tends to retain body heat, making it hot and uncomfortable for some people. This can be mitigated with the use of cooling gel layers or covers.

Initial Odor

Some memory foam products have an initial odor due to off-gassing of volatile organic compounds (VOCs). This is usually harmless and should dissipate over time, but it may be unpleasant for some people.


Memory foam mattresses tend to cost more than traditional spring mattresses. However, investing in a quality mattress is worth considering if you're looking for long-term comfort and support.

What Are the Different Types of Memory Foam Mattresses?

There are several types of memory foam mattresses available on the market today. Here are some of the most common ones:

Traditional Memory Foam Mattresses

Traditional memory foam mattresses are made from viscoelastic polyurethane foam. They offer excellent comfort and support but tend to trap heat which can be uncomfortable for some sleepers.

Gel Memory Foam Mattresses

Gel memory foam mattresses combine traditional memory foam with cooling gel beads for a unique sleeping experience. The gel helps keep the mattress cool, while the memory foam provides comfortable cushioning and support.

Plant-Based Memory Foam Mattresses

Plant-based memory foam mattresses use plant oils instead of petroleum-based oils in the foam. This makes the mattress more eco-friendly and helps to reduce heat retention for a cooler sleep.

Hybrid Mattresses

Hybrid mattresses combine memory foam with other materials, such as coils or latex, for maximum comfort and support. They offer a balanced sleeping experience that feels like traditional mattresses but provides pressure relief of memory foam.

Tips for Shopping for the Right Memory Foam Mattress

When shopping for a memory foam mattress, there are a few things to keep in mind:


Memory foam mattresses come in different firmness levels, from very soft to extra firm. Consider your preferred sleep position and choose the mattress that provides optimal comfort and support.


Set a budget before you start shopping so that you can narrow down your options. Keep in mind that higher-quality memory foam mattresses tend to cost more but are often worth the investment for long-term comfort and support.


Memory foam mattresses usually range from 8-14 inches thick. Thicker mattresses offer more cushioning and support but may be too warm for some people.


Make sure to measure the size of your bedroom before you buy a mattress so that it fits perfectly! Most memory foam mattresses come in standard sizes such as twin, full, queen, king, and California King.


Most memory foam mattress manufacturers offer long-term warranties for their products. Make sure to read the fine print so that you know what's covered and for how long.

Maintenance and Care of Memory Foam Mattresses

Memory foam mattresses require minimal maintenance and care. Here are some tips for keeping your mattress in the best condition possible:

Rotating and Flipping the Mattress

Most memory foam mattresses have a recommended rotation schedule that should be followed every three months or so. This helps ensure even wear on the mattress and prevents dips from forming over time. Additionally, if your memory foam mattress is double-sided, you should flip it once a year to ensure that both sides wear evenly.

Cleaning the Mattress

It is important to regularly clean your memory foam mattress to keep it free of dust, dirt and other allergens. Start by vacuuming the mattress top with an upholstery attachment to remove any dirt or debris from the surface. Be sure not to use a rotating brush, as this can damage the material of the mattress. If necessary, spot-clean any stains with a damp cloth and a mild detergent, but avoid using harsh chemicals or scrubbing too hard, as this could cause damage to the material of the mattress.

Protecting Your Mattress

It is also important to protect your memory foam mattress from spills and other damages by using a waterproof cover or pad on top of it. This will help keep liquids from seeping into the material and staining it permanently and protect against dust mites and other allergens. A quality cover can also extend the life of your mattress by providing additional cushioning support when sleeping on it.

Our Recommendation: MLILY Dreamer Gel Memory Foam Mattress

At MLILY, we believe in providing our customers with the best quality memory foam mattresses at an affordable price. Our Dreamer Gel Memory Foam Mattress is perfect for those looking for a comfortable and supportive mattress that won't break the bank. This medium-firmness mattress is made with high-density memory foam and a cool gel layer to provide superior pressure relief and support. The mattress also features an open-cell structure that helps keep air flowing, so you don't overheat as you sleep. And best of all, It features a CertiPUR-US-certified foam core that meets all safety standards and comes with a 10-year warranty for added peace of mind.

Closing Thoughts

Now that you know the basics of memory foam, why not try it for yourself? Memory foam mattresses provide exceptional comfort and support, making them a great choice for those seeking a good night's sleep. With easy maintenance and unparalleled pressure relief, memory foam is sure to give your body what it needs!