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Friday, February 26, 2016

Do You Have A Toxic Mattress?


Learn about toxic mattress types for a healthier home.

Do You Have A Toxic Mattress?
If you have a spring or foam bed, chances are you sleep on a toxic mattress. The average person can spend 6-10 hours a day in bed, and we often expect that manufacturers make mattresses safe or at least benign. However, there are actually a wide range of chemicals and toxins present in modern mattresses that can pose significant short and long-term health risks. Keep reading to learn where these components come from and how to avoid getting a toxic mattress.
The issue of toxicity is not limited to one particular type of bed. Across the spectrum, from memory foam to coil mattresses, nearly all contain either petrochemicals, noxious adhesives, chemically treated fabrics, pesticides, chemical flame retardants, and more. Recent recalls of beds, including the mattresses made for baby’s cribs, have demonstrated just how dangerous and prevalent some of these chemicals can be. However, that’s only half the story as many potential toxins remain completely legal for us in the United States, and manufacturers are not typically required to disclose them chemical contents of their products.
There are significant differences between different mattress materials, the fire retardants that are used, and glue or adhesives used for layering. It is necessary to address each of these to fully understand the toxic mattress issue, and to learn how to choose a safe non toxic mattress.

Flame Retardants & Safety

Some of the problems surrounding toxic mattress concerns stem from Federal laws and requirements surrounding flammability. These laws were created with good intentions; however the manufacturers can use a variety of chemicals and materials to meet these guidelines and not all are safe. For example, PentaBDE (PBDE) proved one of the worst offenders and was voluntarily phased out in mattresses manufactured in the United States since 2004; however, very few of the major manufacturers like Simmons, Sealy, and Tempurpedic actually disclose what they use, claiming it as a “trade secret”.  It is speculated that common flame retardant additives might include antimony oxide (carcinogen) or melamine resin (contains formaldehyde). Little research has been conducted into how these types of chemicals affect us, to what degree our bodies absorb them, and what consequences exposure will have down the road.
[list type=”minus”]
[li]Avoid brands who will not disclose how they achieve flame standards, as they are likely using potentially concerning chemicals.[/li]
[li]Avoid Antimony, Decabromodiphenyl Oxide, Melamine Resin, Boric Acid, Formeldahyde, Vinylidene Chloride, Brominated chemicals and other chemical additives.[/li]
[/list]
[list type=”plus”]
[li]Formulations considered safest include wool covers and silica-treated rayon covers. [/li]
[/list]

About Adhesives and Glues

While flame retardants remain a hot topic, of equal concern are the adhesives and glues used to manufacture many mattresses. Manufacturers often use glues to hold different layers together and keep fabrics in place. They can be found in memory foam beds, innerspring beds, and latex mattresses. Two different types may be used: solvent-based adhesives and water-based adhesives. While solvent-based formulations prove considerably worse, water-based adhesives still contain the same chemicals of concern.
Solvent-based adhesives can have upwards of 48 different toxic chemicals, ranging from acetone to lead to chlorofluorocarbons to halogens and more. Water-based adhesives are simply solvent-based glues diluted in water for spraying, so they still contain the same toxins. These chemicals emit what many recognize as a “new” smell, due to their release of Volatile Organic Compounds [VOCs] into the air. These VOCs have been linked with cancer, organ damage, and endocrine disruption and create a truly toxic mattress.
People who suffer from breathing problems including asthma and allergies should avoid breathing volatile organic compounds. These fumes pose a significant health hazard to adults and children, and there are several reports of people experiencing allergic-type reactions and respiratory discomfort with brand new mattresses, especially certain types of memory foam (see following section on mattress types). Pregnant women should be aware that the chemicals can be transferred to their baby. The long term effects of these chemicals are still unknown. It is known that at the very least they can cause a variety of cancers and decrease indoor air quality.
[list type=”minus”]
[li]Avoid all adhesives. These can be used in between mattress layers, in frames, and between fabrics and core materials.[/li]
[li]Water-based adhesives are not healthier or free of chemicals.[/li]
[/list]
[list type=”plus”]
[li]Look for mattresses in which the layers can be pulled apart, and the cover removed.[/li]
[/list]

Chemicals in Toxic Mattress Materials

In addition to the concerns regarding glue and fire retardants, the composition of the material used to create the mattress itself is also important. Knowing what exactly is in your mattress will help you determine the danger levels.
  • Innerspring Mattresses: Typically contain poly foam (see memory foam below) in quilting and padding layers, nearly always contain adhesives.
  • Traditional Memory Foam & Poly Foam: May contain around seven toxic chemicals (1,1,1,2 Tetrachoroethane, acetone, and dimethylformamide, Methyl benzene, Methylene dianiline, toluene-neoprene and Vinilideine chloride). Often contain adhesives between core and upper layers.
  • Synthetic Latex: Typically contains around five non-toxic chemicals (2-chloro-1–3-butadiene, diphenyl diisocyanate, metallic oxides, Phenol-melamine resins, sulfur, Tellerium). May or may not contain adhesives. May or may contain polyurethane fillers.
  • Natural Latex: May have around six non-toxic chemicals (acrylate resins, diphenyl diisocyanate, Phenol-melamine resins, Phenol-urea, Polyvinyl acetate and waxes styrene- butadiene copolymer) in addition to the natural hevea milk, fats, and water. May or may not contain adhesives.
Information from reports by the Agency for Toxic Substances and Disease Registry, Water based Adhesives Technology Review and Aerias – Air Quality Sciences.

Are There Any Non Toxic Mattress Types?

According to the reports we found, synthetic and natural latex foams appear to offer the safest bet when it comes to choosing a non toxic mattress. Here are a few helpful guidelines for choosing the healthiest bed:
  • Synthetic latex contains fewer chemicals than memory foam,  though it is often blended with a relative, polyurethane. To ensure you get the best mattress, look for 100% natural latex. Avoid beds with latex over poly-foam or springs, as these will almost always contain toxic chemicals and adhesives.
  • Only latex liquid can currently be certified organic in the U.S. The finished foam and mattress cannot be. If a mattress brand tells you their latex foam is certified organic, question the validity of their claims.
  • However, cover materials like cotton can be certified organic and an organic cotton cover will eliminate pesticides and other chemicals from your bed. Make sure the product has organic certification from a recognized body.
  • Look for Oeko-Tex 100 certification. This means the product has been certified to be free of harmful chemicals.
  • Look for mattresses that utilize wool or rayon covers as fire barriers rather than chemicals.

Our Non Toxic Mattress Recommendation

Based on the above criteria, we recommend Astrabeds’ 100% natural, organic latex mattresses. These do not contain any harmful chemical additives, feature organic cotton covers, wool fire barriers, and unglued layers. They are also Eco-Institut certified. Prices start around $1299, and beds come in multiple firmnesses and heights.
We are exposed to so many toxic chemicals on a day to day basis, and the last place we want to find them is in our beds. Taking the time to research what goes in to your home will offer you peace of mind and sweeter dreams. Use these tips while shopping to choose a safe non toxic mattress.


10 Interesting Facts You May Not Know About Mattresses




10 Interesting Facts You May Not Know About Mattresses

Change the way you look at your mattress with these ten odd and fun factoids.

If you’re like most people, you probably don’t give your mattress much thought unless there’s a problem with it. But, that hunk of foam and springs in your bedroom may actually be harboring some interesting secrets.

Top Ten Most Interesting Mattress Facts You Never Knew

From amazing to creepy, read on to discover ten interesting mattress facts that will have you looking at your bed and sleep in a whole new light (UV perhaps…).

1. The Most Popular Type Is Least-Liked

Innerspring mattresses are sold the most, accounting for an estimated 80% of mattress sales. But, they also have the lowest overall satisfaction ratings according to SleepLikeTheDead.com.
They find that only 63% of innerspring mattress owners report being satisfied, compared to around 80% of memory foam and latex owners and 79% of waterbed owners.
Satisfaction rate trends have remained fairly stable for awhile, although specialty mattresses like memory foam and latex are seeing continual growth into the spring market share.

2. Creepy Critters Are Sharing Your Bed

Perhaps the grossest mattress fact is that a used mattress can conceal thousands of microscopic dust mites and their excrement within fabrics and empty spaces. Although the exact amount of dust mite proliferation is debated, they are almost certainly sharing your home with you.
Dust mites exist just about anywhere there are fabrics and carpet plus animals or people, especially in more humid environments. They feed on shed skin cells, and while they don’t bite or pose disease risks, they can exacerbate allergies and asthma.
Pillows are another favorite hangout for dust mites (and skin oils and saliva) so it is suggested to replace your pillow at least every year and a half, or every six months if you are prone to allergies.
The best way to minimize dust mites is to use allergen-resistant mattress and pillow covers and wash all bedding in hot water once a week.

3. It’s Illegal to Buy a Mattress on Sunday in Washington

Although weekends are prime time for mattress shopping, one state says no go. An old, quirky law in Washington state says that it is illegal to purchase or sell a mattress on Sundays. Also banned for Sunday shoppers are televisions and meat!
The origin of the law is unknown although it was cited by many sites. However, it doesn’t appear to be strictly enforced so you shouldn’t have an issue.

4. Your Mattress Can Be Recycled

Mattresses are big and bulky and many people are unsure what to do with them when they get a new one. You could send it to a landfill where it will take up space for centuries alongside millions of other old beds, or you could recycle it.
Recycling remains growing industry and many states and organizations are pushing the development of mattress recycling to reduce waste. California, Rhode Island and Conneticut have all passed laws that will now require mattress recycling.
The springs and metal can be repurposed, wood and fibers can become a fuel source, and foams and fabrics can be recycled for use in padding and other applications.
Check Earth911.org to see if there is a local recycling facility near you. Some facilities have community drop off points or will come pick up your bed for a small fee. You could also resell or donate a mattress that is still in decent shape.

5. Your Mattress is Go-To Spot for Thieves

We’ve all heard the adage of hiding money under the mattress, and so have burglars and thieves. One of the number one places that home robbers look for hidden money and prized possessions is under your mattress.
Not to mention, sleeping on piles of cash probably is bad for your back. Store valuables in less conspicuous places like a bank, or taped beneath shelves or behind heavy furnishings, buried outside or in potted plants, inside unvaluable storage boxes, inside clothes or coats, in an attic, etc.

6. Mattresses Used to Rest on Ropes

Before boxsprings and platform foundations came into vogue, mattresses used to be supported by cross-woven ropes stretched across wood frames.
In fact, the phrase “sleep tight” originated from this time period, when people would regularly have to tighten their bed’s ropes or risk saggy sleep. As for “don’t let the bedbugs bite”, well that one is unfortunately still applicable to today!

7. All Mattresses Must Be Flame-Proof

In 2007, it became federal law that all mattresses must meet flammability guidelines in order to be sold in the United States. Basically, beds must be able to withstand an open flame for 30 seconds (don’t try this at home though!).
The law was enacted to reduce mattress fires due to unattended cigarettes, candles and other dangers. The Consumer Products Safety Commission estimates that mattresses meeting these requirements can save up to 270 lives and 1330 injuries per year.
How manufacturers achieve flameproofing is not regulated, and there is some consumer concern about about less safe chemicals that could be in use. Some of the worst like PBDE’s and decaDBE have phased out or banned, but . More manufacturers are also turning to fabric barriers and other greener or safer measures also.

8. Mattress Dominoes is a Legitimate World Record Category

There is a thing called mattress dominoes, and it’s an actual record maintained byGuinness. Basically it involves lining mattresses and people up as you would dominoes, tipping one over and letting the fun begin.
The current record is 1001 mattresses and people, set by volunteers in Shanghai in 2012. Previously, the American record was also set by La Quinta volunteers in New Orleans which toppled 850 human mattress dominoes.

9. You Sweat & Shed All Over Your Bed at Night

Oh, yeah. In addition to all of the dust mites colonizing your mattress, it’s also packed with your shed skin cells and sweat and other fluids.
You shed millions of skin cells per day, and since you spend about ⅓ of each day on your mattress, a significant portion of them will wind up there. You also sweat while sleeping, with some sources estimating anywhere from a several milliliters to one liter nightly.
Do your mattress and your peace of mind of favor by using a protective mattress cover. These will protect your bed from absorbing shed skin, sweat and spills and can be washed regularly to keep your bed in pristine, healthy condition.

10. A Messy Bed May Be Healthier

You’re mom always told you that you better make your bed, and a tidy mattress does indeed make a room look better – however one Kingston University study found that an unmade bed might be a little healthier.
The idea is that when you make your bed and cover the mattress with the comforter, sweat and moisture is trapped within creating the ideal environment for dust mites. Leaving sheets exposed to the air and sunlight dries out the environment which can help kill of mites.
Have any other cool, creepy or weird mattress facts to share? Leave us a comment below!


What’s the Best Gel Memory Foam Mattress to Buy?



The best gel memory foam mattressYou might be trying to decide what the best gel memory foam mattress on the market is. Gel memory foam burst onto the market in late 2011 to much fanfare as it was touted for being the answer to memory foam’s main drawback – heat retention.
The influx of product offerings has left many consumers scratching their heads and wondering what the best gel memory foam mattress to buy is. With the gel models’ lackluster improvement in heat retention, maybe a better question is: what is the best cooling memory foam to buy?
Many people would probably answer that question with Tempurpedic or Serta. These brands are very well known from their many advertisements, but a brand’s notoriety is not a true indication of their quality.
When shopping for a good memory foam mattress, you should consider the actual attributes of the products you’re considering, not the infamy of the company who makes them. In other words, the tangible benefits offered to the users of Tempurpedic and Serta gel memory foam mattresses may very well not be better than other brands that eschew high-dollar advertising campaigns so associated costs are not passed on to the customer.

What are Gel Memory Foam Mattresses?

Not all memory foam mattresses are created equally. In fact, there are several types of gel memory foam mattresses. These mattresses are much like their traditional memory foam counterparts, with gel added. This gel can be added directly into the foam or by adding gel pads. The gel is added to help reduce the amount of heat felt by the person resting atop the mattress, which is a common complaint for traditional memory foam.
Like traditional memory foam mattresses, these newer gel-infused models offer a higher level of comfort than innerspring mattresses. Using gel, manufacturers have reduced complaints of heat slightly, but they still have some room to improve.
Gel memory foam mattresses have many of the same problems traditional memory foams have. Since often they are simply a foam mattress with gel added, customers have the same complaints of off-gassing and odors as with traditional foams.

What’s the Best Gel Memory Foam Mattress to Buy?

Serta iComfort gel memory foam mattresses typically range from about $1,000 for entry level offerings and escalate dramatically to $4,000 or more for their highest end models. Those prices have proven prohibitively costly for many customers and customer complaints indicate the mattresses are still retaining heat. No need to fret, there are loads of great options available to fit a smaller budget.
Bed in a Box has a line of gel-infused memory foam mattresses. These mattresses range from $500 to $2,900 for a queen. Overall, Bed in a Box receives pretty decent reviews, but about 15% of consumers report significant initial odor and off gassing, according to SleepLikeTheDead.com. Bed in a Box only has about 20 retailers across 12 states, so availability could be an issue if you’re not located near one. Heat is also still an issue with 6 percent of customers complaining the bed is a heat trap.
Simmons ComforPedic gel mattresses ted to receive lower customer satisfaction rates than Bed in a Box and you’ll pay a little more, too. Their gel memory foam mattresses are priced from $900 to $3,000 and tend to weigh much more than their competitors’. About 9 percent of Comforpedic customers complain about excessive heat, which is higher than average memory foams. Availability is increasingly becoming an issue with ComforPedic, too. Retailers have been carrying them less and less over the recent years.
Another competitor is the Sealy Optimum line, which has above average comfort feedback. Moderately priced at $860 to $3,100, longevity seems to be an issue with this line. Sealy hasn’t completely overcome the heat trap issue, here either. Optimum mattresses rate no better than average mattresses in heat retention. These mattresses are heavy, but they have great motion isolation. You won’t feel the movements of the person next to you much.

Potential Alternatives to Gel Memory Foam Mattresses

Gel mattresses were designed to counter heat retention that is associated with standard memory foam mattresses by lowering temperatures so users can sleep more comfortably. But a two-year Cargill study showed the better consumer option in terms of coolness came in the form of green memory foam. In the study, a plant-based blend was shown to sleep 25 percent cooler than gel memory foam.
One brand in this category is Amerisleep, which offers a range of plant-based eco-friendly memory foam mattresses that are fairly priced from under $650 to just over of $2,000 for the top of the line. With their products, customers do not have to worry about compromising quality or comfort for affordability. Amerisleep has built a reputation for using the highest quality materials available in its plant-based memory foam mattresses. These mattresses last a long time and customers rarely complain of heat retention with them. Each mattresses has a 20 year warranty, also.
Another reason green memory foam mattresses are the best option to buy comes in the guilt-free peace of mind that is associated with use of their plant-based blend that is more friendly to the environment as well as users’ health. That means you’ll also not have to deal with the chemical off-gassing that accompanies initial use of standard polyurethane-based memory foam mattresses like those sold by Tempurpedic and Serta.
People who feel traditional memory foam mattresses are too hot to sleep in may not find what they are looking for in gel foam mattresses. Most gel models still receive complaints about heat issues, though often less than similar traditional memory foam mattresses which don’t contain gel. Shoppers looking for the best value are likely to be more pleased with the cost and performance of a plant-based memory foam mattress according to reviews.
Take all these factors and your personal preferences into account when considering a new mattress. Lives often improve with better sleep, so don’t take this decision lightly. Make a purchase you can feel good about and sleep well on.

Want more information on the best gel memory foam mattress alternatives?



Best-Rated Memory Foam Mattresses for 2015, February 9, 2015




Best-Rated Memory Foam Mattresses for 2015

Compare the current top-rated memory foam mattresses and get tips for picking the right bed.

Over a year ago, we conducted an in-depth analysis of several memory foam brands to uncover which beds earned the best reviews from consumers. Since that time, many brands have revamped collections and rolled out new lines, so we thought we’d revisit this popular topic for 2015.
Keep reading to see which mattresses currently outperform the competition in owner satisfaction, why they are leading the way, and how to compare beds to find your perfect match.

2015’s Best-Rated Memory Foam Mattresses

Previously, we compared brands as a whole to see who had the best overall ratings for their lines. This time around, we looked at individual mattress models for a more specific comparison of the best-rated memory foam mattresses.
This year’s group of top-rated mattresses includes both smaller, niche brands and big name brands. Overall, brand name did not appear to be a major predictor of satisfaction – we found major, well-known brands that perform average or worse, and lesser-known brands that offered good values.
The factors that appeared to most influence people’s reviews include initial comfort, service experience, how the mattress met expectations, and perceptions of value. Other factors like durability, heat and odor played significant roles as well.
We looked at about 20 different brands of memory foam including the big brands, medium brands, up and coming brands, online brands, and discount brands to find the five memory foam mattresses most-loved by consumers, highlighted below.
Reviews were drawn from retailer and brand websites, third-party review websites like Reseller Ratings, consumer review sites like Sleep Like The Dead and Consumer Reports, and other sources like blogs and forums. Specification data and pricing was current as of article publication date.
MattressSignature Sleep Memoir 12”Comfort Dreams Select A Firmness 14”Amerisleep Revere BedBedInABox Serenity GelTempurpedic TEMPUR-Cloud Luxe
Average Owner Satisfaction92%90%94%94%94%
Price, Queen$319$539$1299$1899$3699
Foam Density4” 3.0 lb MF8” 1.5 lb Base3” 3.5 lb MF3” 3.0 lb MF4” 1.4 lb Base4” 1.5 lb Base3” 4.5 lb MF9” 2.0 lb Base3” 3.0 lb MF8” 2.4 lb Base2” 4.1 lb MF3” 7.0 lb MF8” ? lb Base
Heat Issues7%5%3%6%10%
Odor Issues10%9%3%13%10%
Durability Issues15%8%2%5%6%
Warranty1 yearNone20 years (10)20 years (10)10 years (10)
Trial Period90 daysNone90 days120 days90 days
Here’s a more detailed description of each bed. They are listed in order of lowest price to highest (not ranked).

$319 – Signature Sleep Memoir 12” Mattress

The Signature Sleep Memoir 12” mattress features a thick four inch layer of memory foam in the low-density range. The base uses “high-density” poly foam. The mattress is in the firmer range according to descriptions and reviews.
Overall, this mattress rates very well for the low-price, under-$500 category receiving a 4.6 out of 5 star average on Walmart’s website. People often praise the good value and initial comfort of this mattress.
The amount of people reporting heat and odor issues proves about average for memory foam in general, though reports of sagging or impressions is somewhat higher. This mattress is also expected to have a shorter lifespan than average, but could be a good value for a guest bed or short-term use.
Warranty coverage extends only one year for this bed (further highlighting the temporary nature of the bed), though Wal-mart does offer a 90-day return policy for their mattresses which is better than average for this pricepoint.

$539 – Comfort Dreams Select A Firmness 14” Mattress

The Comfort Dreams Select A Firmness 14” mattress features two three-inch layers of memory foam, primarily in the low-density range. The firm model does have one layer of medium-density, 4.0 lb foam. The base layers of this mattress include regular poly foam (1.4 lb) and high-density poly foam (1.5 lb). This mattress comes in three firmnesses, though reviews seem to find all of the options in the medium to firm range.
Overall, this rates well for the mid-low price range ($500-$1000) with average reviews of 4.5 stars on Overstock’s website. Value and initial comfort are primary areas of praise for this bed.
This mattress receives lower than average complaints for heat retention, and close to average odor complaints. Issues of sagging and durability are also about average, and this mattress is expected to have an average lifespan.
The Select A Firmness mattress comes with no manufacturer warranty, but Overstock sells a service plan for an additional fee. Overstock does not accept returns or exchanges for beds, making it one of the few retailers to offer little guarantee of satisfaction.

$1299 – Amerisleep Revere Bed Mattress

The Amerisleep Revere mattress has a three-inch layer of 4.5 lb, medium density memory foam. The core is high-density 2.0 lb foam, and both types a plant-based “bio” foams. This mattress is in the medium-firm range according to descriptions and reviews.
Overall, this mattress rates well with a 4.7 out of 5 star average on the Amerisleep website’s verified reviews. Popular points of praise in reviews include support, comfort, durability and value.
Reports of both heat and odor issues are below average for memory foam in general and among the lowest of the mattresses we reviewed here. There are also very few reports of sagging or durability issues, and lifespan is expected to be average to above average for memory foam.
Warranty coverage extends for 20 years, with 10 years of full-replacement coverage. Amerisleep offers a 90-day return policy for their mattresses.

$1899 – BedInABox Serenity Gel Mattress

The BedInABox Serenity Gel mattress has a three-inch layer of 3 lb memory foam with gel (lower density range) paired with a 2.4 lb high density core. It’s firmness is in the softer range according to descriptions and reviews.
Overall, this mattress rates well with a 9.6 out of 10 rating on Viewpoints (no direct reviews on website). Reviewers praise the comfort and support of this mattress.
Reports of both heat and durability issues are both below average for memory foam in general. However, reports of odor are slightly higher than average. Lifespan is expected to be average to above average for memory foam.
Warranty coverage extends for 20 years, with 10 years of full-replacement coverage. BedInABox offers a longer than average 120-day return policy for their mattresses, but owners must keep the beds for 60 days (opposed to 30 for most others).

$3699 – Tempur-pedic TEMPUR-Cloud Luxe Mattress

The Tempur-Cloud Luxe bed from Tempurpedic includes two layers of memory foam. Though the brand does not disclose density information, it is estimated that the bed includes two-inches of 4.1 lb, medium density memory foam and three-inches of 7.0 lb, high-density memory foam. The core foam density is also undisclosed, with estimates ranging from 1.5 to 2.0 lbs.
Overall, this mattress rates well with 4.7 out of 5 star averages on the Tempurpedic website reviews, which is good for the high price range. Areas most commonly praised by reviews include comfort, support and durability. One key point though, is that this mattress was recently updated and redesigned, meaning older reviews may not necessarily be representative for this new model.
Reports of heat and odor complaints are right about average for memory foam in general. Issues with durability or sagging are lower than average, and this bed is expected to have slightly longer than average lifespan.
Warranty coverage extends for 10 years, with all 10 years being full-replacement coverage. Tempurpedic beds come with a 90-day return policy.

What’s Changed?

Compared to our previous survey, the only repeat appearances were Amerisleep and Bed In The Box who’s reviews remained fairly consistent. New entrants included Tempurpedic, Signature Sleep and Comfort Dreams, which replaced Dreamfoam, Sealy Optimum and Simmons Comforpedic.

Who Didn’t Make the Cut & Why

Three big brands of memory foam are not on the list, which may suprise some readers. These include Serta iComfort, Sealy Optimum and Simmons Comforpedic which all focus on gel memory foam. All three of these brands are averaging in satisfaction scores in the mid-to-upper 70% range. While better compared to traditional spring mattresses, this is below average for memory foam in general. Potential things that appear to be lowering owner satisfaction include durability, lack of transparency, and value perception of buyers.
In general, other reasons some brands and beds didn’t make the cut included a lack of available review data online, questionable review sources, and other issues preventing accurate analysis and comparison.

How to Compare Memory Foam Mattresses

We’ve done a few guides to memory foam mattress shopping previously, but if you’re just diving in or want a quick refresher, here are the most important details to keep in mind when buying a memory foam bed. These are the factors that will help you compare beds to each other to determine value and determine which is best for your needs.

Density

Polyurethane foams are classified by their density, which is a measure comprised of weight divided by volume. It is usually expressed as pounds per cubic foot. For example, a 4 lbs/ft3 density means that a piece of foam measuring 12” x 12” 12” weighs four pounds.
With memory foam, densities can be sorted into three groups, all receive similar overall owner satisfaction scores, but there are a few important differences that can help you decided which is ideal for your needs.
CharacteristicLow DensityMed DensityHigh Density
Rangeunder 3.5 lbs3.5 lb to 5.0 lbover 5.0 lb
Overall Satisfaction80%80%80%
DurabilityLeast durableGood DurabilityMost Durable
OdorLess likelyModerateMost likely
Sleeping HotLess likelyModerateMost likely
Contouring/Pressure ReliefFairGoodGreat
Easy of MovingEasy for mostEasy for mostPossibly difficult
Firmness RangeLimitedGoodGood
Price$-$$$$-$$$$$$-$$$$
Low density foams are the least expensive and are less likely to have strong off-gassing odors or trap heat, however they also provide less pressure relief, support and longevity. High density foams excel at pressure relief, contouring and durability, but are more likely to have strong odors and trap heat, and the viscous feel of the foam can be difficult for some people to move on.
Regular polyurethane foam (used in core/support layers in padding layers in some mattresses) has different classifications. Higher density is generally considered better, as the core will be more resistant to impressions and softening over time. Most mattresses use High Density foam in the cores, ranging between 1.5 lb on the low end and 2.5 lb on the high end.
Some cheaper mattresses may use “regular” poly foams under 1.4 lb which is seen as non-durable for long term use and may lack support for most adults. High Resilience foams have densities over 2.5 lb and are the most durable, but not commonly used in mattresses due to higher costs (be aware that some manufacturers may mislabel their HD foams as HR).

Type of Memory Foam

There are about three different “types” of memory foam that you will see promoted across different brands.
Traditional memory foam is the regular, temperature-sensitive memory foam that molds to sleepers’ shapes via their body heat. This type provides good contouring and pressure relief in medium and high densities, but not everyone likes the slow recovery rate of the foam as it can make changing positions and moving on the bed difficult. Sleeping hot is also more common with this type, particularly in higher densities.
Gel memory foam is becoming very common recently, involving gel particles or liquid gel mixed into the foam with the idea of a cooler sensation. The idea is that the room-temperature gel will absorb body heat (similar to ice-packs). There is not a ton of scientific proof for the claims of gel foam mattresses (many of them use little gel or put it beneath other materials as well). Consumer Reports has said in their mattress tests that they find little difference in breathability between gel and non-gel beds. Sleep Like The Dead says there is a small difference (2%), but primarily only for beds with 2”+ of gel foam at the surface of the bed.
Plant-based memory foams that use botanical ingredients to replace a portion of petro products are used by some brands. These types of foams have slightly different properties, primarily stemming from their temperature-neutral nature. Plant-based foams use pressure to contour rather than heat, and the material feels consistent in a normal room temperature. It also recovers shape very quickly. One manufacturer,Cargill, conducted a laboratory study demonstrating plant-based foams to sleep cooler than gel foams.

Mattress Construction

When shopping for a memory foam mattress, pay careful attention to how the bed is layered. Memory foam should ideally be in the uppermost layers (as opposed to poly foam or fiber batting) to provide good pressure relief. The retailer should be able to provide information on each layer and their respective densities so you can accurately judge comfort and compare value.
The thickness of memory foam is important as well. Petite people and back/stomach sleepers may feel comfortable with 2”-3” of memory foam (too much can feel overwhelming), while larger individuals and side sleepers may need 3”-6” of memory foam to adequately cushion pressure points.
The thickness of the core layer is more related to support and durability. A mattress hsould have at least a 6” core. Larger individuals and side sleepers may want something more in the 8” to 9” range.
Cover materials are also important since they can affect how the memory foam contours and how breathable the mattress is. Stretchy fabrics are better than rigid ones since they will allow the mattress to fully contour to you. Breathable fabrics like cotton, wool and rayon are also ideal since they will allow air to flow in and out.

Guarantees

Guarantees can tell you a little bit about how the manufacturer perceives their product. Mattresses with little or no warranty are probably not intended by the manufacturer for everyday or long-term use (better for temporary situations). But, long warranties don’t mean a bed is meant to last forever either.
Average and higher-end memory foam beds usually have about 10 years of full replacement coverage, and some may have additional years of pro-rated coverage as well. The different periods will differentiated in the warranty policy, usually as “full coverage” or “full replacement” terms (the period during which the manufacturer will replace or repair a defective bed at their cost), and “pro-rated” terms (the period during which the manufacturer will contribute a portion of the repair/replacement costs with the owner paying the rest).
Since impressions are what is most likely to go wrong with a memory foam mattress, the depth of coverage is important to check for. The warranty should state how deep impressions must be for the bed to be considered defective and eligible for warranty. Higher-end beds will typically cover sagging of 0.75” or more, while others may only cover impressions over 1” or 1.5”.
The ability to return a memory foam mattress can also be valuable. Even the top-rated mattress might not be ideal for everyone, which is why most retailers will allow customers to return or exchange within a certain time frame.
The average for memory foam beds is around 90 days. It may take up to a few weeks to fully adjust to a new bed, so having at least 30 days can be helpful. Check to see the store’s return policy and any restrictions or fees before buying.

Reviews

The other helpful tool you can use to compare are memory foam mattress reviews. For most brands and beds, you can find reviews online to see what other owners have to say. Retailer and brand websites are the most likely sources, though third party websites (like Reseller Ratings and Viewpoints) and blogs or forums are also sources. You could start by searching for reviews in general, or search the mattress make and model plus reviews (such as “tempurpedic cloud reviews”) to see more in-depth information about a particular bed.
The first thing to keep in mind about reviews is the source. Brands that use third-party verified reviewer/verified buyer systems typically provide a better source than brands that use cherry-picked “testimonial” type reviews. For third party websites and blogs, consider their reputation and policies.
When reading reviews, see what people say about expectations versus reality, durability, value, and other factors important to you. Individual comfort can vary quite a bit though — one person’s soft can be another’s firm — so it’s better to look at trends than one-off comments. For example, do a lot of people say the bed is firmer than expected, or do a large number report a particular issue? Not every bed will please every buyer, but comparing complaints to averages can help give you perspective.
Overall, what we learned searching for the best-rated memory foam mattresses is that medium density foams seem to be most appealing to majority of shoppers, and that getting a good value is also important for satisfaction.
Most of the top-rated memory foam beds were sold online only as well, meaning that dreaded trip to the mattress store may not be so essential after all. More important? Doing your research into the brand, being honest with your partner about what you want in a bed, checking reviews, and comparing around to ensure the price is fair.
Feel ready to start shopping? Dig deeper with our 10 steps to getting the best mattress. Or, keep your new bed in tip-top shape longer with these eight tips to maximize mattress lifespan.
If you have an additional questions about comparing beds or finding the best memory foam mattress, leave us a comment.