Even though high-density ratings are often associated with firmer surfaces, that’s not the only variable that affects how a mattress feels. The higher the density, the more durable the mattress will be. There are ways to improve your sleep and, by extension, your waking hours. But in some instances, especially for mattresses built for support needs, they can be used as a comfort layer. Let’s dive into these questions and more in our memory foam density guide for curious sleepers. They are long-lasting and provide great support, especially for back and neck pains. A person tends to sink into or "melt" into a higher density mattress because the foam under the person's body becomes softer but the surrounding foam stays firmer. The reality is that not every memory foam mattress is created with the same density – and it could affect your sleep experience. Density dictates a foam’s quality, comfort, and longevity. weighs four pounds. that it’s less comfortable to roll over and readjust in the middle of the night. And denser mattresses are more likely to, the test of time. Like all things you read on the Internet, understand there is no better judge than yourself. Indentation Load Deflection is directly proportional to thickness, the thicker the foam is, the higher the ILD. There is no exact science to how heavy mattresses are at each density (especially since many mattresses have varying layers). The fact that they don’t sag quickly means, they offer great back and neck support. In other words, a mattress with good motion isolation tends to be friendly for couples. If you plan on moving to a new house soon or you have a lot of stairs to climb, you might want a lighter bed for that reason. The mattress owner experience data was collected from diverse and credible sources. High density memory foam … After all, adding density always adds weight. Other types of mattresses such as innerspring or hybrid may also use high density foam to support the spring systems. Overall Score:High Density Foam: 8.9/10Memory Foam: 9.3/10, Comfort:High Density Foam: 8/10Memory Foam: 9.4/10, Softness:High Density Foam: 7.5/10Memory Foam: 9.5/10, Cooling:High Density Foam: 8/10Memory Foam: 8/10, Hypoallergenic:High Density Foam: 8.1/10Memory Foam: 8.1/10, Odor:High Density Foam: 8.4/10Memory Foam: 8.4/10, General Support:High Density Foam: 8/10Memory Foam: 8/10, Eco-Conscious:High Density Foam: 8.5/10Memory Foam: 8.5/10, Price Value:High Density Foam: 9.4/10Memory Foam: 9.4/10. A memory foam mattress tends to perform better than a spring mattress when it comes to motion absorption. A luxurious pillow, plush and airy, soft and supportive at the same time. Try our mattress for up to 120 days, and if it’s not a good fit, you can send it back for a full refund. In other words, they often require the most use before they reach the level of firmness and support that they will provide for the long term. However, please note that most foam mattresses include different foam density layers to enhance comfort and support. Shop for high density mattress topper at Bed Bath & Beyond. Which kind of makes sense.