What is a Memory Foam Mattress?

A memory foam mattress consists of a base layer of springs or foam with a top layer of temperature-sensitive "memory foam." This unique material reacts to the pressure and heat from your body, evenly distributing weight and adapting to the contours of the sleeper for a personalized sleeping experience.

Viscoelastic (memory foam) has slow-moving properties. When pressure is applied to the material and released, it retains the shape for a few seconds before springing back up, hence the term "memory" foam, as it "remembers" its original form. 

Due to its viscoelastic properties, memory foam mattresses conform to the body, relieving pressure points and providing optimal support. The "hug" effect is one of the reasons memory foam is highly regarded by those who experience joint or back pain. Once the pressure and heat are removed, the foam gradually returns to its original shape.

If you're exploring mattress options, check out our Mattress Buying Guide for detailed insights.

Types of Memory Foam

Memory foam has undergone significant advancements, leading to new types designed to address common concerns like heat retention, which was a drawback of traditional memory foam.

Traditional

Traditional memory foam, introduced in the 1990s, transformed the mattress market by providing excellent support and reducing stress on pressure points. However, it tends to retain heat, which can cause discomfort for some users.

Open Cell

Open Cell memory foam was developed to improve airflow and reduce heat retention. The material contains balloon-shaped cells that allow air to circulate, keeping the mattress cooler.

Gel Infused

Gel-infused memory foam incorporates cooling gel or gel beads that absorb heat, thanks to phase-changing materials (PCM). This type of foam is ideal for hot sleepers who need a cooler sleeping surface.

Plant-Based

Plant-based memory foam reduces the use of petrochemicals by incorporating natural plant oils, offering an eco-friendly and cooler alternative to traditional foam.

Memory Foam Density

Memory foam density plays a key role in determining the mattress's feel and durability. As a general rule, higher-density foams provide firmer support and better longevity, although they are usually more expensive.

Density is measured in kilograms per cubic metre (e.g., "45kg" indicates that a cubic metre of the foam weighs 45 kilograms). Here's a simple guide to density and firmness:

Choosing the Right Density

• Lower-density foams are softer but may lose their shape more quickly.
• Higher-density foams provide better support and are more durable.
• Heavier individuals or those with back issues often benefit from higher-density options.

Benefits of a Memory Foam Mattress

1) Body Contouring

Memory foam moulds to your body, providing tailored support and minimizing pressure points.

2) Temperature Sensitivity

The foam adjusts to your body heat, offering a softer surface for enhanced comfort.

3) Pain Relief

Its ability to adapt and relieve pressure makes it ideal for individuals with joint or back pain.

4) Allergy Resistance

Dense memory foam resists allergens like dust mites, promoting a healthier sleep environment.

5) Reduced Motion Transfer

Memory foam minimizes movement across the bed, making it perfect for couples.

Conclusion

Memory foam mattresses offer unparalleled support and comfort for those who prioritize a tailored sleeping experience. While not suitable for everyone, especially hot sleepers, advancements like gel-infused and plant-based foams provide excellent alternatives.