There is NO additional price markup for using this site or on links from this site and any commissions made by Slumber Search come out of the brand's profit margin. This site's sole purpose is to make the decision making process faster and more efficient. For this reason, those that are heavier should do additional research about soft memory foam bedding as they will sink more than alternatives and could lead to discomfort for some body types.Lastly, over the recent years, there has been reports of off-gassing and toxic odors released from memory foam. High resilience is a polyurethane foam that has a much higher responsiveness than memory foam, which has a slower response. It is important to make sure that memory foam is high quality.Pros: Contouring comfort, competitive pricepoints, and widespread options.Cons: Sagging and off-gassing problems with lower quality foams. Mattress & furniture shopping is an oftentimes tedious and mundane task. Overall Score:Memory Foam: 9.3/10High Resilience Foam: 8.9/10, Comfort:Memory Foam: 9.4/10High Resilience Foam: 8.8/10, Softness:Memory Foam: 9.5/10High Resilience Foam: 8.7/10, Cooling:Memory Foam: 8/10High Resilience Foam: 8/10, Hypoallergenic:Memory Foam: 8.1/10High Resilience Foam: 8.1/10, Odor:Memory Foam: 8.4/10High Resilience Foam: 8.4/10, General Support:Memory Foam: 8.7/10High Resilience Foam: 9.4/10, Eco-Conscious:Memory Foam: 8.5/10High Resilience Foam: 8.5/10, Price Value:Memory Foam: 9.4/10High Resilience Foam: 9.4/10. It was originally developed by NASA in the 1970s for airplane cushioning and has since become one of the widest materials used in mattresses and pillows.In plain English, what makes memory foam is its ability to contour to pressure and return to its original shape slowly after pressure is released. A memory bed refers to a product that uses exclusively viscoelastic products to create a mattress while the term “all-foam” can refer to a combination of temper and poly elements to create a bed or the sole use of either one of the substances. If you are susceptible to lung issues, please do additional research on the quality of foams before purchasing.Pros: Quicker response than memory foam provides many mattresses with an even supportive feel.Cons: Sagging and off-gassing problems with lower quality foams. There is NO additional price markup for using this site or on links from this site and any commissions made by Slumber Search come out of the brand's profit margin. Because of this, those that enjoy more of a bounce in their mattress will gravitate towards this type of foam. See how it all works here. The reviews here are aggregated from other sources across the Internet and although we have tried only to find trustworthy reviews, the content and scores here may be subject to manipulation by agents acting on behalf of manufacturers and marketers. Memory foam is a blend of polyurethane (a polymer made as a byproduct of petroleum refining) and additional chemicals that give the memory foam its low-resilience. This process allows for it to react to pressure differently across its surface and provide a contoured, but aligned feeling for sleepers.In mattresses, older or lower quality memory foam may sag from the repetitive pressure of laying or sitting. High density foam is a very firm foam that generally makes up the bottom layer of popular memory foam mattresses. Some lower quality or treated memory foam may have this problem and cause respiratory inflamation. Oftentimes the transitional layer or base layer of memory foam mattresses will contain high resilience foam at high densities. 2021-2022 Slumber Search $1,000 Scholarship. If you are susceptible to lung issues, please do additional research on the quality of foams before purchasing.Pros: Quicker response than memory foam provides many mattresses with an even supportive feel.Cons: Sagging and off-gassing problems with lower quality foams. Other types of mattresses such as innerspring or hybrid may also use high density foam to support the spring systems.High density foams generally are not used to create the entire mattress because they are just too firm. If you are susceptible to lung issues, please do additional research on the quality of foams before purchasing.Pros: Quicker response than memory foam provides many mattresses with an even supportive feel.Cons: Sagging and off-gassing problems with lower quality foams. Because of this, those that enjoy more of a bounce in their mattress will gravitate towards this type of foam. When it comes to your own comfort, your own body is the only North Star. High resilience is a polyurethane foam that has a much higher responsiveness than memory foam, which has a slower response. Dreamzee is the mattress brand of E Mega Mart, a Delhi based company. The reviews here are aggregated from other sources across the Internet and although we have tried only to find trustworthy reviews, the content and scores here may be subject to manipulation by agents acting on behalf of manufacturers and marketers. Oftentimes the transitional layer or base layer of memory foam mattresses will contain high resilience foam at high densities. We are not doctors -- if you have a medical condition, please consult your doctor.The makers of Slumber Search also make affiliate commissions from some of these manufacturers to keep the site running. Memory foam is a blend of polyurethane (a polymer made as a byproduct of petroleum refining) and additional chemicals that give the memory foam its low-resilience. Like all things you read on the Internet, understand there is no better judge than yourself. There is NO additional price markup for using this site or on links from this site and any commissions made by Slumber Search come out of the brand's profit margin. See how it all works here. Overall Score:High Density Foam: 8.9/10High Resilience Foam: 8.9/10, Comfort:High Density Foam: 8/10High Resilience Foam: 8.8/10, Softness:High Density Foam: 7.5/10High Resilience Foam: 8.7/10, Cooling:High Density Foam: 8/10High Resilience Foam: 8/10, Hypoallergenic:High Density Foam: 8.1/10High Resilience Foam: 8.1/10, Odor:High Density Foam: 8.4/10High Resilience Foam: 8.4/10, General Support:High Density Foam: 9.3/10High Resilience Foam: 9.4/10, Eco-Conscious:High Density Foam: 8.5/10High Resilience Foam: 8.5/10, Price Value:High Density Foam: 9.4/10High Resilience Foam: 9.4/10. 2021-2022 Slumber Search $1,000 Scholarship. High resilience foams are much less popular than memory foam, but they make up important layers of many popular mattresses. When it comes to your own comfort, your own body is the only North Star. If you want your new cushions to last, high-density foam is the way to go. Mattress & furniture shopping is an oftentimes tedious and mundane task. Where Slumber Search discusses medical ailments, we strive to ensure the information on this site is accurate, current and useful, however, we do not warrant the accuracy or completeness of any information related to medicine. When it comes to your own comfort, your own body is the only North Star. Because of this, those that enjoy more of a bounce in their mattress will gravitate towards this type of foam.High resilience foams are much less popular than memory foam, but they make up important layers of many popular mattresses. It was originally developed by NASA in the 1970s for airplane cushioning and has since become one of the widest materials used in mattresses and pillows.In plain English, what makes memory foam is its ability to contour to pressure and return to its original shape slowly after pressure is released. This … This provides a more even feel across the mattress, and less of a sinking feeling that memory foam alone would have.Like all polyurethane foam, high resilience foam is made of a blend of polyurethane and has a tendency to off-gas. 2021-2022 Slumber Search $1,000 Scholarship. If you are susceptible to lung issues, please do additional research on the quality of foams before purchasing.Pros: Structural firm foam used by many mattresses to provide foundation and shape.Cons: Off-gassing problems with lower quality foams and it is too firm to make a mattress in its entirety. High-Density Foam. Because of this, those that enjoy more of a bounce in their mattress will gravitate towards this type of foam. Where Slumber Search discusses medical ailments, we strive to ensure the information on this site is accurate, current and useful, however, we do not warrant the accuracy or completeness of any information related to medicine. High resilience is a polyurethane foam that has a much higher responsiveness than memory foam, which has a slower response. This site's sole purpose is to make the decision making process faster and more efficient. The Dreamzee Ortho-Rest mattress have a layer of bonded foam in the middle. Because of this, those that enjoy more of a bounce in their mattress will gravitate towards this type of foam.High resilience foams are much less popular than memory foam, but they make up important layers of many popular mattresses.