Hybrid mattresses are popular because they blend the best features of different types of mattresses to offer a comfortable sleeping experience. They offer greater motion isolation, lower noise levels and more extended lifespan than traditional innerspring mattresses. They provide a comfortable layer of memory foam that is pressure-relieving or latex that provides comfort for sleepers, similar to an allfoam mattress.
Hybrid mattresses: What’s about? Hybrid mattresses can be costly.
Learn more about hybrid beds, and check out our recommendations of the best hybrid mattresses in 2021. Every pick is based on verified user and customer experiences as well as extensive product research and analysis.
Best Overall: Saatva Classic
Because of its unique style, Saatva Classic is a extremely rated mattress. It is a distinctive style that combines traditional innerspring comfort with modern convenience. The support core is comprised of the hourglass bonnell coils.
To increase push-back and sinkage the coils are encased around the edges. The steady airflow through the coil layers maintains the core temperature of the mattress at the ideal temperature.
Customers have the option of selecting between firm medium (4) or medium stiff (6) and firm (7.5). Customers have the option to choose that ranges between 11.5 inches to 14.5 inches.
Saatva offers free White Glove delivery to any place in the United States. This includes all assembly and installation in the customer’s preferred space and the removal of their old mattress or box spring. Saatva Classic comes with an initial trial of 180 nights, and a warranty of 15 years.
Saatva Classic uses the traditional innerspring design to create a modern and innovative hybrid that offers outstanding support. The mattress can be made to fit the requirements of the majority of people due to its broad selection of thickness and firmness choices.
People who enjoy mattress that respond. Two coil layers make the Saatva Classic buoyant and strengthen the edges.
For stomach and back sleepers. These sleep positions are well-suited for the Saatva Classic, which offers superior support and doesn’t sink too far.
For sleepers who are hot. Saatva Classic’s coil layer creates constant air circulation that keeps the mattress cool.
If you do not want to set up a mattress, All U.S customers receive complete White Glove delivery without cost.
People who can be often disturbed by their partners’ motions. Saatva Classic has a surface that is responsive and absorbs movement.
For those who want a close-fitting mattress.
Multiple Firmness Options (4.5,6.5, and 7.5)
120-night trial of sleep
We provide excellent pressure relief and pain relief. The complete review can be found here
WinkBeds Mattress is the Best to Treat Back Pain
Sleepers like beds that are comfortable and conform to their body without being too snug or too sagging. The WinkBed provides exactly this, is our pick for the Best Luxury Hybrid Mattress. This is due to its superior quality materials, its sophisticated comfort system and flexible choices for firmness.
The WinkBed has comfort layers of gel memory foam, pocketed minicoils and polyfoam. Also, it comes with a “lumbar pad” comprised of cotton that has been compressed. This provides comfort layers of memory foam made from gel and minicoils pocketed.
Shoppers have the option of choosing between three firmness levels to suit their level of comfort and body type: medium soft (4.5), medium firm (6.5) or firm (7.5).
The WinkBed is a fantastic choice for buyers with bigger budgets. Although the WinkBed is more costly than other hybrids, it’s still a good choice for those with higher budgets.
The WinkBed measures 14.5 inches tall and has a a striking profile. The sturdy structure of the bed provides comfortable, luxurious support for any sleeper. There are four different options to choose from so that everyone can choose the best one.
All kinds (side, stomach, and back) Side and back sleepers will feel more comfortable by setting their settings to be more robust.
All weights (light, medium, and heavy) are welcome to rest here. There are four different firmness options on WinkBed, so that every body type will receive the right support.
For relief from back and hip pain. A cotton back cushion that is zoned provides additional relief.
Couples. WinkBed allows you to stop motion. It offers a peaceful and comfortable sleeping surface which can be used to sex, while also providing the privacy of.
Side sleepers who weigh less 130lbs.
For those on a budget.
Ideal for heavy-sleepers
You can pick either a soft or medium-feel hybrid mattress. However, those who weigh more than 230 pounds may consider this setting to be too soft.
Brooklyn Bedding’s Titan Firm Hybrid Hybrid (firm 8) is a standout. This mattress offers consistent conforming, but not a lot of conforming. This hybrid is great for heavier people who don’t enjoy the deep sinks of more firm beds.
The bed is bolstered by pockets of coils as well as a high density foam base that prevents sinkage around it edges. It’s a fantastic option for couples.
Brooklyn Bedding offers free shipping to all addresses within the United States. The Titan includes the 120-night trial and a 10-year warranty.
The Titan Firm Hybrid, a hybrid mattress, is extremely comfy.
For back and stomach sleeping. Although the layers of comfort are extremely pliable they are ideal for back and stomach sleepers.
People who sleep close to the edge. Those who sleep close to the edge.
Couples. The Titan Firm Hybrid can isolate motion, making it more comfortable for sexual intimacy.
People who are hot to sleep. Titan Firm Hybrid has an upper layer that is infused with memory foam.
Couples with one person who weighs less than 230lbs. The Titan Firm Hybrid is ideal for heavier sleepers but can appear too stiff for people who weigh less or average.
A mattress designed for those who seek a high level of conforming.
Layla Hybrid is best for those who sleep on their sides.
Laylasleep.com: Shop Now! Layla Hybrid flippable Hybrid mattress is constructed from memory foam and pocketed coils that provide pressure relief.
The firm (7) feels on the firm side. Medium side is similar to (5) and the more firm side feels as (7). The thicker foam layers on the “medium” side are more thicker. Copper infusion draws heat away, allowing it not to build up.
The base support core is made up of pocketed six-inch coils. The foam comfort system on the other side connects to the support core for coils to offer assistance.
Layla is delivered for free to all states in the US. Shipping to Alaska, Hawaii, Canada and Canada is at an additional cost.
Layla Hybrid is an all-solid hybrid that provides both flippability and solid construction. The foam layers are protected from overheating thanks to pockets of coils on the base.
For all kinds of sleepers, such as stomach, side, stomach and stomach. Layla Hybrid provides an incredibly comfortable and supportive surface that is suitable for any position.
All sleepers. The firm side can also be used by those who sleep heavier.
Couples. It is able to isolate motion well and reduce the impact on a partner’s movements.
Hot sleepers. Layla Hybrid’s memory foam comfort layers make it perfect for hot sleepers.
People who have difficulty lifting weighty objects. The Layla Hybrid’s flippability makes it convenient but can be difficult for individuals to move when it’s larger. It is queen-sized and weighs in at 113 pounds.
Hybrid mattresses are for those who have a tight budget. However, the Layla Hybrid mattress is a great option.
Helix Midnight is the most relaxing
The Helix Midnight hybrid bed is perfect for people who are moderate to heavy. The Helix Midnight hybrid mattress is medium firm and our top choice. They give support and allow for airflow to the mattress.
The Helix Midnight achieved excellent results in temperature neutrality and pressure relief as well as sex. This makes it an excellent option for those suffering from chronic pain, hot sleepers and those who like a firm mattress. This hybrid mattress is also a great option because it is priced at a an affordable price compared to other.
Helix offers you the opportunity to try a free trial for 100 nights.
The most popular hybrid from Helix is Midnight. The Midnight mattress is Helix’s most adored hybrid. It offers a comfortable feeling, contouring, as well as pressure relief.
Side and back sleepers. Side and back sleepers will feel the late-night hours the most comfortable However, other types of sleepers may also pick from the Helix mattresses similar to it.
Back pain sufferers as well as hip pain sufferers. The supportive base and memory foam provides relief from pressure to align the spine.
Hot sleepers. The Helix Midnight is equipped with a massive core support coil that is pocketed and lets plenty of airflow.
Stomach sleepers. Toxic stomach sleepers.
People who don’t think about a surface that is easy for them.
Cocoon Chill Hybrid Best Price
Cocoonbysealy.com Sealy’s Cocoon Chill Hybrid Mattress is now available to purchase.
To avoid sinking of the coils that are pocketed The edges have been reinforced.
The mattress cover is infused with phase-change-material, which regulates your temperature by absorbing heat when your body is too warm and returning it to you when you’re cold. The coils encourage air circulation which helps to keep the mattress cool.
The Cocoon Chill Hybrid mattress measures 12 inches tall and may require thick pockets sheets.
Cocoon Chill Hybrid is a hybrid mattress with a price that is competitive. The mattress has strong edges that provide support and limit motion transfer. The comfort layers of memory foam are designed to fit your body and then cushion it.
Side sleepers. All weighing categories of side sleepers will discover this mattress to be an ideal fit.
Couples. The mattress offers a combination of motion isolation and edge support that couples will appreciate.
Hot sleepers. The pocketed coil support core and phase-change-material keep the mattress temperature neutral.
Value seekers. The mattress is priced lower than other hybrid mattresses.
Over the weight limit of 230 pounds for stomach or back sleepers. If you are heavier than 230 lbs and sleep in these positions, your memory foam layers might not be able to support your body.
people who need an adjustable mattress.
DreamCloud is the best for back sleepers
Dreamcloudsleep.com – Shop Now! People who are light and require a supportive mattress may often have a difficult time finding one with a larger frame of mind. Although the DreamCloud is rated at 6.5 on the firmness scale (6.5 for medium) it is able to be utilized by those who weigh less than 130 lbs. It is best suited for those who rest on their backs or stomachs.
The hybrid mattress comes with an support center made of polyfoam and a pocketed core.
While memory foam and quilted nylon provide some cushioning for your body, it is not as firm as a mattress made of all foam.
DreamCloud’s hybrid mattress is very affordable.
The DreamCloud Mattress can be a ideal choice for those who are light in weight seeking a mattress that offers support.
Sleepers who are light-weight. This hybrid gives a balanced support and comfort for stomach sleepers and back sleepers.
Backache is a frequent sign that people have had it. This medium-firm mattress assists in spinal alignment and stops heavier body parts from sinking into the mattress.
Warm sleeping people. DreamCloud’s pocketed coils circulate heat through the mattress core. The cashmere-blend cover provides cooling and moisture-wicking capabilities.
People who love mattresses that are close to their bodies.
Customers who require intensive pressure relief. This mattress does not conform to pressure points such as shoulders or hips, but it is slightly pushed back. For sleepers with light sleeping who require pressure relief, a mattress that has more support is recommended.
is ideal for Stomach Sleepers
realbed.com Buy Now Although high-quality hybrids can be expensive and not affordable for everyone, this is not always true. The Real Bed is an excellent example of a hybrid model which performs at the same level as its more expensive counterparts but doesn’t break the bank.
The mattress is made using natural wool padding and latex. The mattress is filled with pockets of latex and wool batting. It is also durable.
The Real Bed’s ability to cool is an additional benefit. The latex and wool layers don’t hold heat as well on the surface. This allows sleeping people to stay cool in hot environments. Additionally, wool offers an additional ability to wick moisture away, which makes it easy for sleepers to feel secure even when they’re close to the edges.
The Real Bed’s cost is cheaper than similar latex hybrids. The Real Bed is eligible for free ground shipping to the majority of regions of the United States.
The Real Bed is a budget-friendly latex hybrid. It offers strong support, a supple feeling, and a great cooling. The mattress’s components are durable and is expected to last for at least 8 years before needing to be replaced.
people who weigh at least 130 lbs. The Real Bed is medium-firm, and does not hug too tight, so those who weigh between average and heavyweight will feel comfortable and not sink too deeply.
Hot sleepers. Hot sleepers.
People who want mattress that is responsive.
Value seekers. Although the Real Bed’s cost is lower than the average latex hybrid mattress, it performs very well.
Not suggested for:
Real Bed provides a firmer mattress for those who require it. People who want a more hugging mattress can select a hybrid foam, or softer latex.
Gravity Ice Hybrid is the best method to keep cool
Gravityblankets.com Buy Now While neutral temperature is a key characteristic of hybrid mattresses, some models deliver extraordinary cooling. Gravity Ice Hybrid is a memory foam hybrid made by the same company that developed the Gravity Blanket. Gravity Ice Hybrid has the design of a pocketed coil that encourages constant airflow in order to keep a pleasant temperature. The cover is made of a cooling fabric which permits excellent surface-level airflow.
The mattress has a medium feel and has three inches of memory foam comfort layers. This is due to the fact that the mattress provides plenty of cushioning and body-conforming. This can also benefit lighter back sleepers who want some contouring, but not sinking.
Gravity Ice hybrid has been awarded an above average rating for motion isolation. This can be an issue for couples. This reduces the risk of sleep disturbances.
The price on the sticker of Gravity’s Ice Hybrid may be less than the typical. Gravity Blankets provides free ground shipping to all orders within the United States.
The bottom line
Gravity Ice Hybrid is great for hot sleepers, thanks to its continuous inner flow. It also comes with the option of a cover that will provide all-year-round cooling.
For those who seek a combination of support and contouring, the Gravity Ice Hybrid is for those who want both. The Gravity Ice Hybrid has thick layers of memory foam that mold to the body, and an inner pocketed coil support core to prevent excessive sinkage.
A person who weighs over 300lbs. Persons who are medium – or light-weight should be at ease in their mattress.
Hot sleepers. The Gravity Ice Hybrid is a superior mattress to average coil mattresses in terms of temperature regulation and breathability.
Not suggested for…
For those who want the softest, most bouncy mattress. Gravity Ice Hybrid is medium-feeling and has thick memory foam comfort layers. Its responsiveness will decrease despite the support core that is made of coils.
Customers who require mattresses in twin, twinXL, and California king sizes should inquire. Only the Gravity Ice Hybrid can be purchased in full, queen, or king sizes.
Buyer’s Guide to Hybrid Mattresses
This is a list we’ve put together of all the things that buyers need to consider when purchasing an hybrid mattress.
Everything you should know about Hybrid Mattresses
This section of the Buyer’s Guide gives a comprehensive overview of hybrid mattresses. They explain how they’re made, how they feel, and what they have to offer.
What is the Hybrid Mattress,
A hybrid mattress uses the same core pocketed coils like innerspring mattresses. A layer of comfort that is at two inches of memory foam latex is part of a hybrid mattress.
This mattress provides the ideal combination of support and comfort your body. Hybrids can be utilized to alleviate some of the disadvantages associated with particular mattress types.
Hybrid mattresses are more buoyant than traditional innersprings. This allows for couples to sleep more comfortably. Common complaints include off-gassing and heavy weight.
Hybrids offer a balance of the ability to respond and close-conforming. Couples find that the mattresses are comfortable for sex and offer pressure relief.
Hybrids tend to be quieter than innersprings, and tend to block more motion transfer. This can reduce nighttime disturbances.
Hybrids have cooler temperatures than latex or foam mattresses because they have better air circulation.
Hybrids give superior edge support, and users report very little sinkage in the areas they are placed.
Hybrid mattresses are among the most expensive on today’s market
Hybrids with dense layers of memory foam or latex may be prone to off-gassing
The surface of hybrids could be too hard or soft for those who want extra-firm surfaces.
Hybrids tend to be heavy and can be difficult to transport or set up.
Construction of a Hybrid Mattress
Hybrid mattresses are made up of coils and memory foam to provide comfort.
In order for a mattress to be considered a true hybrid, it must have at minimum 2 inches of latex or memory foam. To help reduce heat retention certain comfort layers are infused with gel. This allows you to sleep cooler than foam mattresses or latex ones.
Copper parts are also available in other models to improve circulation, relieve joint pain, and enhance mobility.
Many hybrids today include an additional layer, commonly called a Euro top, or pillow-top. The layer is bonded between the comfort layer and the comfort layer. Euro-tops can be sewn flush with the comfort layer. These materials include wool, cotton fiberfill, fiberfill, and wool. There could be some latex or memory foam.
Manufacturers will vary in the dimensions of hybrid mattresses, but here are some guidelines for sizing a bed.
If Eurotop is in place, the top of the pillow will be between one and two inches (1-1 ”).
The comfort layer will measure from three to four inches (3-4 ”).
The primary support of coils that are pocketed will be 7-8 inches (7-8
Hybrid mattresses have a higher profile than standard mattresses due to their extra thick comfort layers, a larger core and thicker support layers. Hybrid mattresses are also heavier due to their more robust construction.
It is crucial to keep in mind that hybrids are frequently confused. A mattress that is “springless” features a comfort layer and support core made of latex and foam. These mattresses are not considered true hybrids because they don’t contain a support core composed of pocketed coils. The same is true of hybrid mattresses that have less than 2 inches of memory foam or latex in their comfort layer.
There isn’t a clear definition of the term “hybrid mattress. Pay attention to Hybrid mattress labels reviews from customers and other details when shopping in brick and mortar stores or browse on the web.
Hybrid mattress The Experience
These hybrid mattresses work as a bridge between two types of mattresses. Here are the main characteristics of hybrid mattresses
They can be both responsive and conforming. Many couples love hybrid mattresses. Their comfort layer offers better pressure and pain relief.
Cool sleep: Hybrids rest cool due to the good air circulation in their support core. This creates a cooler sleeping environment than traditional all-foam and latex beds.
It is possible to test hybrids in a brick and mortar retailer, just like with other mattresses. Just like other mattresses, you can test hybrids at a brick and mortar store.
How Do You Choose the Best Hybrid Mattress
Hybrid mattresses are defined by the quality of each of their components.
Each element is evaluated using various measurements. We go into greater detail below.
The density of hybrid mattresses composed of memory foam or base foam is used to determine their strength. It is measured in pounds per square foot and used to classify the foams into three categories that are conventional, medium and high.
Memory of low-grade is perfect for contouring and motion isolation. However, it will rapidly lose its shape.
Hybrid mattresses could make use of multiple types of memory foam for their comfort layer. A hybrid comfort layer could comprise up to two inches of low-density foam and two inches of medium- or high-grade foam that provides additional support.
Hybrid mattresses will, like foam-based mattresses use more dense polyfoam to support layers. The density of the foam is also used to determine the thickness of support layers.
Since memory foam has a denser density than polyfoam, the scale may be different.
Indentation Load Deflection
Indentation loads deflection (ILD), a measurement of the mattress’s firmness can be used by them to assess their density.
Memory foam and laterx stick to different levels of ILD.
The table below lists the ILD scores for memory foam and latex.
It’s crucial to remember that ILD scales usually do not contain certain numbers. This is due to the fact that they’re regarded as a middle ground between two categories. An ILD 28 is an example.
The best way to judge the density and ILD of the hybrid mattress is to sleep on it. Hybrid mattresses must be able to provide a comfort layer density of at least 2.2 pounds per cubic inch. This is true regardless of whether the memory foam layer is composed of polyfoam or memory foam. The layers that are most interested in latex may possess an ILD between 20 and 32.
Density can be used in order to assess the support provided by hybrid mattresses. By measuring the gauge and the amount of coils you will also be able to assess the quality.
The gauge is the thickness or number of coils. It can be expressed using numerals to indicate various sizes. The greater the gauge number the greater the thickness. The majority of mattresses today are gauged between 12 and 18 inches.
Hybrids make use of pocketed coils. They are the tiniest and most flexible that can be used for innerspring support cores.
Cores with a smaller gauge pocketed coils possess a higher degree of stability and endurance.
Zoned support is available on some hybrid mattresses such as the WinkBed Luxury Pick. These use lower-gauge coils to support heavier areas of the body, such as the hips and shoulders. For support for lighter parts of the body like the legs and the head smaller, stronger coils can be used. This leads to an improvement in support and pressure relief, especially for people suffering from chronic discomfort.
A mattress’s coil count and gauge will affect the feel of the mattress and its durability. However, this isn’t always the case. It could affect the mattress’s feel and longevity.
Manufacturers use the term ‘coil count’ to market mattresses. Because high coil counts are often associated with higher prices, the biggest impact coil count has on a mattress’s price tag.
How can you choose the Firmness Level you want to use?
The next step in selecting the best hybrid mattress for you is to determine its quality. Higher ILD ratings indicate the feeling of a more firm mattress, as we have seen.
Get a feel of your mattress by taking a look at the ILD rating. Referring to the manufacturers’ description will help.
A lot of mattresses are described as having firmness ratings that range between ‘Very soft’ and ‘Very firm’. These ratings are rated on a scale from 1 to 10. A 2 is ‘Very Soft‘, and an 8 is ‘Very Firm ‘. Your body weight and sleeping place will determine the most appropriate degree of firmness.
Preferred Firmness For Most Side Sleepers Weight Group Preferred Firmness For Most Back Sleepers Preferred firmness for Most Stomach Sleepers
Below-average (Less Than 130 Pounds) 3 (Soft), to 5 (Medium), 4 (MediumSoft) to 6(Medium Firm), 4 (MediumSoft) to 6 (6 (Medium Firma) 6 (Medium Firm), 4 (MediumSoft) to 6 (5 (Medium Firm).
Average (130 to 230 pounds) 4 to 6 (Medium Soft) 5 to 7 or 8, (Firm), 6 to 8 (Medium Firm), 6 to 8 (Firm) (130 to 230-Pounds) 6 to 8 (Medium Firm) 7 to 8 (Firm), 7 to 8 (Firm), 8 to 8 (Firm) 6 to 8 (Medium Firm) 7 to 8 (Firm).
Above-average (More Than 230 Pounds). 5 (Medium) – 6 (Medium firm) 6 or 7 (Firm), 6 (Medium firm) 7 or 8(Firm). 6 (Medium) 7 (or 8 or 8(Firm). 6 (Medium company) 7or 8 or 8. (Firm span>
This chart shows that light sleepers prefer soft mattresses. A firm mattress with a rating of between 1 and 5 is ideal for heavier sleepers.
Side sleepers feel most comfortable on soft mattresses. They won’t allow their hips or their midsection to sink too deep. Back sleepers can, just like normal people, take pleasure in any mattress with at least a medium-firmness rating in the event that it’s suitable for them.
Additional Considerations for Hybrid Mattress Shoppers
Here are some additional questions to consider when comparing various mattress models and brands to help you pick the best hybrid mattress.
What’s the expected lifespan of the mattress?
The life expectancy of the hybrid mattress is contingent on the quality of the foam that is used. Low-grade foam will wear out more quickly than high-quality foam.
Pocketed coils may also impact the lifespan of hybrid mattresses. These coils are stronger than traditional innersprings like offset, bonnell, and continuous wire coils, are of high gauge and are considered to be less resistant to wear and tear. The average hybrid mattress is expected to last for six years before it needs to be replaced, according to our findings.
What is the coverage offered by the Mattress Warranty
A good warranty is required with the hybrid mattress. Some models come with lifetime warranties.
It is crucial to determine the warranty term. However, it is also important that you understand what the warranty covers. The majority of memory foam warranties cover excessive indentation. A solid hybrid warranty will cover both. The warranty should provide clear instructions on the way in which the manufacturer will deal with warranties, shipping costs and methods for replacement of the mattress.
What is the duration of the sleep trial run?
The results of sleep trials could be an enormous benefit for mattress buyers. A trial that lasts for a long time is an option for those who are considering hybrid mattresses. It can last up to 30 nights.
What is the average cost for hybrid mattresses?
A new mattress made of hybrid materials will cost you more than an ordinary innerspring or memory foam mattress when it comes to the price. A new hybrid mattress can be as low as $800 to $1,200. Luxury and high-end models can be more costly however, starting at around $4,000 or more.
Our research shows that the average queen-sized hybrid mattress is $2777.
How durable are hybrid mattresses?
Hybrid mattresses last between 7 and 9 years according to how they’re constructed. Hybrid mattress lasts between 7 and 9 year, depending on the quality of the construction.
Memory foam and polyfoam that have less density will maintain their original form after being put under pressure. The material is less durable and does not block motion. However, high-density foam can be more flexible to the body and transfer less motion. It will take longer to return to its original shape from being subjected to pressure. It can be uncomfortable to appear to be “stuck” if it is made of memory foam that weighs at minimum 3 pounds per square foot (PCF) and polyfoam weighing at least 1.5 PCF. The coil gauge is a measure of how thick coils are. A coil gauge can tell you how thick your coils are.
What is memory foam? How can it be distinct from polyfoam?
Hybrid mattresses usually have a layer of memory or polyfoam on top of a core that has a support coil.
Both foams are able to adapt to body shape and isolate motion from the surface of the mattress. Memory foam is superior in every function. Polyfoam is slower to recover from pressure and is buoyant. It is easier to move around on a polyfoam mattress and have sex.
Checklist for Hybrid Mattress Shopping
Are your ready to start mattress shopping? The shopping list below will help you locate the right hybrid mattress.
What are the materials used to make the pillow top, comfort layer, and support core?
What is it? the composition of materials used for the comfort layer
What is the height of the cushion-top as well as the comfort layer and the core?
What’s the ILD/density measurement of latex or memory foam components
What grade of polyfoam is used make the support and base foams?
This is the comfort layer made from memory foam which has been warmed with gel to decrease heat retention.
Does this mattress meet the requirements for my preferred sleeping position?
Is there a mattress that is available in the firmness I like?
What is the expected time before it will need to be replaced?
Is there an expiry date on mattress testing? If so, how do you return the mattress.
What is the duration of the warranty last for the mattress?