Best Sealy Posturepedic King-Size Mattresses


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No more reading through dozens of confusing articles to try to figure out which Sealy Posturepedic king-size mattress to get! By reading this guide, you'll have an excellent grasp on what kinds of mattresses are available on the market, so you can confidently purchase a mattress that will ensure comfortable sleep for years to come.

Before deciding on Sealy Posturepedic king-size mattresses, it is helpful to read up on the brand. Founded in 1881, this company is a big player in the mattress industry that has been helping people sleep better for years. Known for their innerspring, memory foam, and hybrid mattresses, Sealy Posturepedic works to only have the highest quality in their products. Sealy Posturepedic mattresses are available for purchase from various stores, giving you the chance to try out loads of comfortable mattresses before you make this important decision. The company sells mattresses in a range of prices, from affordable to luxury and offers mattresses in a variety of firmness levels, so you can pick the option you find most comfortable based on your favorite sleeping position. Sealy Posturepedic manufactures several mattress styles, so you can find excellent quality products without being limited in your options. With an A+ score from the Better Business Bureau, Sealy Posturepedic has been highly rated for customer satisfaction, product quality, and transparent marketing. Now that you're familiar with Sealy Posturepedic, let's discuss Sealy Posturepedic king-size mattresses.

These mattresses are ideal for couples, providing extra space for you to move around. These mattresses measure 76" X 80" and are ideal for master bedrooms. However, these mattresses are not great for areas with limited room, taking up a majority of the free space in your room. In addition, king-size mattresses are large and heavy, making them hard to move and flip.

Best Overall Score
An image of Sealy Posturepedic Plush Pillow Top King-Size 13.5-Inch Mattress

For a good night's sleep and endless comfort, select a Sealy Posturepedic Plush Pillow Top King-Size Mattress. This thick mattress is built with an edge support system, adding resistance around the edges of the mattress. With a plush comfort level, it is ideal for people who like extra softness. Available in a king-size, this Sealy Posturepedic mattress offers an ample amount of room to spread out and relax. It features a 13.5-inch thickness, preventing any structural problems that thinner mattresses often have. This Sealy Posturepedic mattress features a pillow top construction, increasing contouring and relieves back pain. It helps eliminate tossing and turning at night, significantly improving your quality of sleep. This thick mattress provides pressure point relief, so your joints are well supported to diminish any discomfort.

    Pros
    • Plush mattress is suitable for all types of sleepers who are searching for the perfect mix of softness and support
    • Helps reduce tossing and turning at night, drastically improving your quality of sleep
    • Provides pressure point relief, minimizing pain or stiffness while you're sleeping
    Cons
    • King-size can be difficult to move
    • Plush mattress can get lumpy or sag over time
    • 13.5-inch thickness may appear disproportional in some bed frames
Runner Up
An image of Sealy Posturepedic Plush Pillow Top King-Size 14-Inch Mattress

For both comfort and support, choose the Sealy Posturepedic Plush Pillow Top King-Size Mattress and enjoy a good night's sleep. This thick mattress has an edge support system, adding resistance around the edges of the mattress. It is available in a king-size, so you have a lot of room to sleep comfortably. It has a 14-inch thickness, which provides a lot of foundational support and helps keep it in good condition for longer. It features a plush comfort level, providing the ideal mix of firmness and softness. It has a pillow top construction, increasing support and relieves back pain. It has pressure point relief technology, which is especially important for stomach sleepers. It is designed to reduce tossing and turning, which improves your quality of sleep.

    Pros
    • Plush mattress for the ideal mix of softness and firmness
    • Helps reduce tossing and turning at night, improving your quality of sleep
    • Designed with pressure point relief technology for additional spinal and joint support and comfort
    Cons
    • King-size does not fit in small spaces
    • Plush mattress can become lumpy or sag over time
    • 14-inch thickness may appear disproportional in some bed frames
For Side Sleepers
An image of Sealy Posturepedic Plush Innerspring King-Size 11-Inch Mattress

For a better night's sleep and endless comfort, opt for a Sealy Posturepedic Plush Innerspring King-Size Mattress. This thick mattress is available in a king-size, so you have a lot of space to sleep well. It features an 11-inch thickness, preventing any structural problems that thinner mattresses often have. With a plush comfort level, it delivers the ideal balance between softness and firmness, keeping you comfortable while you sleep while still providing a good amount of back support. It has an edge support system, adding resistance around the edges of the mattress. It has an innerspring construction, which adjusts easily to your body shape. It provides pressure point relief, so any pain is diminished because of essential joint support. With a design that minimizes tossing and turning, this thick mattress will give you the sleeping environment you need for uninterrupted sleep.

    Pros
    • Plush mattress is suitable for all types of sleepers who are searching for the perfect mix of softness and support
    • Helps reduce tossing and turning at night, drastically improving your quality of sleep
    • Provides pressure point relief, minimizing pain or stiffness while you're sleeping
    Cons
    • King-size can be difficult to move
    • Plush mattress can get lumpy or sag over time
    • 11-inch thickness may appear bulky in some bed frames
Additional Picks
An image of Sealy Posturepedic Response Performance Cooper Mountain IV Plush Innerspring King-Size Mattress

For a combination of comfort and support, choose the Sealy Posturepedic Response Performance Cooper Mountain IV Plush Innerspring King-Size Mattress and enjoy a good night's sleep. With a plush comfort level, this Sealy Posturepedic mattress supports your body in any sleeping position. It is available in a king-size, so you have maximum space to sleep comfortably. Made with an edge support system, this Sealy Posturepedic mattress gives edge-to-edge comfort and support. It has an innerspring construction, adjusting easily to your body shape. It has pressure point relief technology for added spinal and joint support. It helps reduce tossing and turning at night, improving your quality of sleep.

    Pros
    • Plush mattress for the ideal mix of softness and firmness
    • Helps eliminate tossing and turning at night, improving your quality of sleep
    • Equipped with pressure point relief technology for additional spinal and joint support
    Cons
    • King-size does not fit in compact rooms
    • Plush comfort level can become lumpy or sag over time
    • Innerspring construction tends to be very heavy and difficult to move around
An image of Sealy Posturepedic Firm Euro Top King-Size 12-Inch Mattress

For a good night's rest and ultimate comfort, select a Sealy Posturepedic Firm Euro Top King-Size Mattress. With a 12-inch thickness, this thick mattress will stay in good shape and not sink in even after prolonged use. With a firm comfort level, it is great for people who sleep on their back because it provides fantastic spinal support. This Sealy Posturepedic mattress is available in a king-size, allowing partners to have their own sleeping space. It is built with an edge support system, adding resistance around the edges of the mattress. Featuring a Euro top construction, this thick mattress can't shift or lose its shape because the pillow layer is attached under the cover. It provides pressure point relief, so any pain is diminished because of essential joint support. This thick mattress helps reduce tossing and turning at night, which significantly improves your quality of sleep.

    Pros
    • Firm mattress provides additional support to keep the body from sinking
    • Helps eliminate tossing and turning at night, significantly improving your quality of sleep
    • Offers pressure point relief, minimizing pain or stiffness while you're sleeping
    Cons
    • King-size does not fit in compact spaces
    • Firm mattress can put painful pressure on pressure points
    • 12-inch thickness can appear bulky in some bed frames
An image of Sealy Posturepedic Plush Pillow Top King-Size 13-Inch Mattress

For endless comfort and a good night's sleep, select the Sealy Posturepedic Plush Pillow Top King-Size Mattress. This thick mattress has a 13-inch thickness, which ensures support for heavier sleepers. It is built with an edge support system, adding resistance around the edges of the mattress. This Sealy Posturepedic mattress is available in a king-size, so you have a lot of room to sleep comfortably. With a plush comfort level, it delivers the perfect balance between firmness and softness, keeping you comfortable at night while still providing a good amount of support. It has a pillow top construction, adding contouring and relieves back pain. With a design that minimizes tossing and turning, this thick mattress will give you the sleeping environment you need for uninterrupted sleep. It has pressure point relief technology, so any pain is diminished because of essential joint support.

    Pros
    • Plush mattress is perfect for side and back sleepers whose main preference is comfort and softness
    • Helps reduce tossing and turning at night, significantly improving your quality of sleep
    • Equipped with pressure point relief technology for added spinal and joint support
    Cons
    • King-size can be difficult to move
    • Plush mattress can get lumpy or sag over time
    • 13-inch thickness can appear disproportional in some bed frames
An image of Sealy Posturepedic Firm Pillow Top King-Size 14-Inch Mattress

For a better night's sleep and ultimate comfort, opt for a Sealy Posturepedic Firm Pillow Top King-Size Mattress. This thick mattress is built with an edge support system, adding resistance around the edges of the mattress. It has a firm comfort level, which provides additional support to stop the body from sinking. This thick mattress is available in a king-size, so you have ample space to sleep comfortably. It features a 14-inch thickness, keeping your mattress functional for years. It has a pillow top construction, adding support and relieves back pain. With a design that minimizes tossing and turning, this thick mattress will give you the sleeping environment you need for uninterrupted sleep. It features pressure point relief technology, so your body is well supported to diminish any discomfort.

    Pros
    • Firm mattress provides overall support of your body for uninterrupted sleep
    • Helps eliminate tossing and turning at night, significantly improving your quality of sleep
    • Offers pressure point relief, making it good for stomach sleepers
    Cons
    • King-size can be difficult to move
    • Firm mattress can put uncomfortable pressure on pressure points
    • 14-inch thickness may tend to appear too large in some bed frames
An image of Sealy Posturepedic 520731 Firm Foam King-Size 10-Inch Mattress

For both comfort and support, choose the Sealy Posturepedic Firm Foam King-Size Mattress and enjoy a good night's sleep. This Sealy Posturepedic mattress features a firm comfort level, providing the support needed for spinal alignment. It is available in a king-size, giving you as much space as possible. Featuring a 10-inch thickness, it can support a lot of weight so it won't sink in easily. Featuring a foam construction, it requires very little maintenance and can last for a very long time. It offers exceptional breathability, which prevents material degradation that would otherwise be caused by moisture and heat.

    Pros
    • Firm mattress is a perfect choice if you suffer from back pain since it relieves pressure points
    • Offers exceptional breathability, preventing premature wear that would otherwise be caused by heat and moisture
    • Conforms to the natural curves of your body, providing just the right amount of support and comfort
    Cons
    • King-size can be difficult to move
    • Firm mattress can put uncomfortable pressure on pressure points
    • 10-inch thickness wears faster than other thicker mattresses
An image of Sealy Posturepedic 520732 Plush Foam King-Size 11-Inch Mattress

For a combination of comfort and support, choose the Sealy Posturepedic Plush Foam King-Size Mattress and enjoy a restful night's sleep. This thick mattress features an 11-inch thickness, so your mattress won't sag in the middle or collapse on the sides. It is available in a king-size, so you can have as much personal space as possible. Featuring a plush comfort level, it is perfect for people who like extra comfort. It has a foam construction, which alters to fit your body shape. Featuring a breathable construction, it promotes airflow to prevent mold from growing.

    Pros
    • Plush mattress is an ideal choice for those looking for a soft surface with added cushioning
    • Offers exceptional breathability, promoting the movement of air, so you stay cool throughout the night
    • Conforms to the natural curves of your body, improving its overall support and comfort
    Cons
    • King-size can be difficult to move
    • Plush mattress can get lumpy or sag over time
    • 11-inch thickness may appear bulky in some bed frames
An image of Sealy Posturepedic Firm Euro Top King-Size 13-Inch Mattress

For both comfort and support, choose the Sealy Posturepedic Firm Euro Top King-Size Mattress and enjoy a good night's sleep. This Sealy Posturepedic mattress features a 13-inch thickness, so after long periods of time it won't collapse around the edges. It is available in a king-size, allowing partners to have their own sleeping space. This Sealy Posturepedic mattress is made with an edge support system, adding resistance around the edges of the mattress. With a firm comfort level, it is good for people who sleep on their back because it offers excellent spinal support. Featuring a Euro top construction, it will move or lose its shape because the pillow layer is sewn under the cover. This thick mattress is designed to reduce tossing and turning, which improves your quality of sleep. Made with innovative pressure point relief technology, it improves comfort for any sleeping style.

    Pros
    • Firm mattress provides complete support of your body for uninterrupted sleep
    • Helps eliminate tossing and turning at night, significantly improving your quality of sleep
    • Offers pressure point relief, making it good for stomach sleepers
    Cons
    • King-size can be difficult to move
    • Firm mattress can put uncomfortable pressure on pressure points
    • 13-inch thickness may appear too large in some bed frames
Still Need Help Narrowing Down Your Options? Here's Some Additional Information to Know:
What Is the Best Mattress Thickness for You?
Under 6 Inch Mattresses

There are only two Sealy Posturepedic king-size mattresses that have a thickness of less than six inches. These mattresses are perfect for trundle beds, so they are convenient for sleepovers. They can be moved easily due to their lightweight build. These under 6 inch mattresses are suitable to use with standard-size sheets, so it will be easy to find sheets that fit. One downside is that they can get indentations if there's too much weight put on them, so if you share your bed, you might want to consider a thicker mattress. Another downside is that they wear out quickly, so they will need to be replaced more frequently. If you think an under 6 inch mattress is a good choice, check out this one.

8-10 Inch Mattresses

Looking for a Sealy Posturepedic king-size mattress that's not too thin or thick? There are seven for you to take a look at. With a standard thickness, these mattresses will fit in nearly all bed frames. They are suitable to use with standard-size sheets so that you can easily find sheets and other bed accessories that fit. They are less likely to cave in, ensuring that you sleep in the proper posture to prevent back pain. One downside is that these mattresses wear out quickly, so they won't last long before beginning to deteriorate. In addition, they provide less support than other types of mattresses, which can lead to restless and painful nights. If you think an 8-10 inch mattress is a good choice, check out this one.

10-12 Inch Mattresses

There are only two Sealy Posturepedic king-size mattresses with a thickness of 10-12 inches. With a standard thickness, these mattresses will fit in nearly all bed frames. They are suitable to use with standard-size sheets, so you can easily find sheets and other bed accessories that fit. They have a strong construction, making them more durable and able to sustain more weight. They are less likely to cave in, ensuring that you sleep in the proper posture to prevent back problems. One downside is that they can be pretty heavy, making them difficult to move and flip. If you think that you might want to get a 10-12 inch mattress, check out this one.

Different Types of Sealy Posturepedic King-Size Mattresses Available
Innerspring Mattresses

If you're thinking about getting an innerspring mattress, this Sealy Posturepedic king-size mattress might be a good choice. Innerspring mattresses are good at dissipating heat, so you can stay comfortable at night. They have a breathable design, enabling air to circulate freely. They are designed with a range of different types of materials, giving you the choice between a wide variety of foam densities and comfort levels. They have various types of coils, which are designed to make you feel like you're floating on your bed, rather than sinking into it. Designed with firm edges, they will support you when sleeping or sitting on the side of the bed. Something to keep in mind is that they have poor motion isolation, so they aren't ideal for light sleepers. Moreover, they sometimes make a lot of noise, potentially interrupting your sleep every time you or your partner moves.

Pillow Top Mattresses

If you want the perfect balance between softness and cushion, you might want to consider getting a pillow top mattress. Here's one for you to check out. With an extra layer of padding, these mattresses provide the appropriate cushion. They move heat away from your body, which will keep you comfortable throughout the night. Providing pressure-point relief, they will soothe any pressure in your joints. They have various types of coils, which are designed to make you feel like you're floating on your bed, rather than sinking into it. They give you a balance of firmness and softness with a layer stitched to the top of the mattress, with a gap separating the pillow-top from the comfort layer. Due to enhanced motion isolation, they will make it possible to wake up in the morning without disrupting your partner. Something to consider is that they are expensive, so if you're searching for a more affordable mattress, you should consider something else. On top of that, they can smell a bit like chemicals at first, sometimes lasting up to a couple of weeks before wearing off.

Euro Top Mattresses

It's important to get a durable and long-lasting mattress, and here's a Sealy Posturepedic king-size mattress that's exactly that. These mattresses have a uniform appearance, which will upgrade the overall look of your bedroom. They have various types of coils, which are designed to make you feel like you're floating on your bed, rather than sinking into it. Providing pressure-point relief, they will soothe any pressure in your joints. They have an extra layer of padding, which provides the perfect cushion. Designed with firm edges, they will support you when sleeping or sitting on the side of the bed.

Where Does Comfort Level Come into Play?
Firm Mattresses

If you want a firm mattress, a Sealy Posturepedic king-size mattress could be a good choice for you. Firm mattresses are suitable for people who tend to sleep on their back and are built with a 34-36 pound indentation load deflection ranking. They distribute your weight properly, supporting your joints as well as other vulnerable areas. Increasing circulation, they promote deeper sleep. One downside is that they can be uncomfortable if you're not used to sleeping on hard surfaces, so it can take a few days to get used to them. On top of that, they can put strain on specific pressure points, so if you want a mattress that relieves pain in pressure points, this is not the mattress for you.

Ultra Plush Mattresses

Looking for a good ultra plush mattress? Consider a Sealy Posturepedic king-size mattress. These mattresses are ideal for people who find it more comfortable to sleep on their sides and are built with a 14-19 pound indentation load deflection ranking. These contouring support mattresses adjust to your body shape for superior comfort. They have an extra support, which is ideal for people who have back problems or joint pain. Something to keep in mind is that they are more likely to cave in over time, so your body won't be adequately supported while sleeping. On top of that, they may be problematic if various sleepers will be using the bed, causing the surface to sink if there is a drastic weight difference.

Plush Mattresses

Are you searching for a plush mattress? Take a look at a Sealy Posturepedic king-size mattress. These mattresses are suitable for individuals who find it more comfortable to sleep on their back, sides, or stomach and have a 19-21 pound indentation load deflection rating. These contouring support mattresses adjust to your body for superior comfort. They have an added support, which is great for people who have back problems or joint pain. Something to keep in mind is that they are more likely to become a bit lumpy or sink in over time, so it's likely that they'll become less supportive and comfortable with prolonged use. Another drawback is that they may be problematic if various people will be sleeping in the bed, causing the surface to sink if there is a drastic difference in weight.