Best Split California King-Size Thick Mattresses


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

After reviewing split california king-size thick mattresses, here is some stuff we think you should know. These split California king mattresses measure 72" X 84" and are ideal for master bedrooms. Providing additional length, they are perfect for taller adults. They are perfect for couples, eliminating motion transfer completely. With two twin XL size mattresses, they accommodate you and your partner's different sleep styles.

Thick mattresses are suitable to use with standard-size sheets so that you can find linens and other bed accessories that fit. They are less likely to sag, so the surface will remain level to ensure proper support over time. These thick mattresses will revamp any room. They have a strong design, making them more durable and able to sustain more weight. However, these thick mattresses are more difficult to get out of and into. Thick mattresses can be pretty heavy, so flipping and transporting them will require at least two people. Another downside is that they provide poor temperature control, trapping heat and making it hotter at night.

Best Overall Score
An image of Sealy Firm Memory Foam Split California King-Size Foam Base 11.5-Inch Mattress

For a better night's sleep and endless comfort, opt for a Sealy Firm Memory Foam Split California King-Size Mattress. Designed with cooling technology, this Sealy mattress regulates body temperature so you won't get too hot at night. It features a firm comfort level, providing additional support to keep the body from sinking. With a design that conforms to your body, it can help prevent pain in sensitive areas of the body. With an 11.5-inch thickness, this Sealy mattress can sustain a lot of weight so it won't sink in easily. It is available in a split california king-size, creating a gap between the two sleepers, which also makes the bed seem smaller. With a foam base, it properly supports all dominant pressure points of your body. With a memory foam construction, this Sealy mattress allows you to toss and turn and then re-contours to your body after you've settled. It features a moisture protection cover, extending the performance of your mattress by protecting against water damage or spills.

    Pros
    • Firm mattress ensures a deeper and more restful sleep
    • Features a foam base, ensuring all main pressure points are adequately supported
    • Designed to conform to your body for special support and comfort
    Cons
    • Split california king-size will require you to get new sheets, one for each side
    • Firm mattress can put painful pressure on pressure points
    • 11.5-inch thickness can tend to appear bulky in some bed frames
Runner Up
An image of Sealy Plush Hybrid Split California King-Size Response Pro HD Zoned Coil System Foam Base 14-Inch Mattress

For both comfort and support, choose the Sealy Plush Hybrid Split California King-Size Mattress and enjoy a restful night's sleep. With a 14-inch thickness, this Sealy mattress can sustain a lot of weight so it won't lose its shape over time. With a plush comfort level, it is ideal for those who like extra softness. It is available in a split california king-size, adjusting to different sleeping preferences.

This Sealy mattress has a knitted cover, which ensures breathability and easy care. With a hybrid construction, it combines the best features of each different mattress type. Built with a foam base, it sufficiently supports all dominant pressure points of your body. It minimizes motion transfer, making it ideal for restless sleepers. It conforms to your body, enhancing its overall comfort and support.

    Pros
    • Plush mattress is an ideal choice for those looking for a soft surface with additional cushioning
    • Features a foam base, ensuring all major pressure areas are adequately supported
    • Made to conform to your body for unique support and comfort
    Cons
    • Comes in a split california king-size, creating a space between the two sleepers, which also makes the bed seem smaller
    • Plush mattress can become lumpy or sag over time
    • 14-inch thickness can tend to appear bulky in some bed frames
Additional Picks
An image of Sealy Firm Memory Foam Split California King-Size Foam Base 12.5-Inch Mattress

For a good night's rest and ultimate comfort, choose a Sealy Firm Memory Foam Split California King-Size Mattress. This thick mattress has a firm comfort level, which is perfect for people who need precise spinal alignment or improved blood circulation. It conforms to your body, so your shoulders and hips will sink more deeply into the mattress, offering optimal spinal alignment. It has cooling technology, which assists to maintain your optimal resting body temperature. It has a 12.5-inch thickness, so it won't sag, sink, or leave body impressions after long periods of time. It is built with a foam base, so all main pressure areas are sufficiently supported. It is available in a split california king-size, adjusting to different sleeping styles. It has a memory foam construction, which will let you toss and turn and then re-contours to your body after you've found a comfortable position. It features a stretch knit weave, keeping your mattress looking newer for longer. It is suitable to use for adjustable bed bases.

    Pros
    • Firm mattress will support your joints and other sensitive areas
    • Foam base is designs to give provide superior comfort
    • Conforms to the natural curves of your body for superior pressure point relief
    Cons
    • Comes in a split california king-size, creating a space in between the two, which also makes the bed seem smaller
    • Firm mattress can put painful pressure on pressure points
    • 12.5-inch thickness may tend to appear disproportional in some bed frames
An image of Sealy Firm Memory Foam Split California King-Size Foam Base 10-Inch Mattress

If you want to guarantee that your don't strain your back while you sleep, the Sealy Firm Memory Foam Split California King-Size Mattress might be a great option. With a firm comfort level, this thick mattress is great for your lower back because it protects from collapsing. Featuring a 10-inch thickness, it can support a lot of weight so it will stay in great condition for longer. It is available in a split california king-size, adjusting to different sleeping preferences.

This thick mattress features a knitted cover, keeping its shape for easy care. It features a memory foam construction, allowing you to move around in your sleep and then re-contours to your body after you've settled. Built with a foam base, it adequately supports all dominant pressure areas of your body. Made to conform to your body, it can help prevent pressure in sensitive areas of the body. This Sealy mattress has a supportive design, aligning your spine horizontally while sleeping on your side.

    Pros
    • Firm mattress is perfect for people who require precise spinal alignment
    • Features a foam base, ensuring all dominant pressure points are adequately supported
    • Conforms to your body for special comfort and support
    Cons
    • Split california king-size will require you to purchase new sheets, one for each side
    • Firm mattress can put painful pressure on pressure points
    • 10-inch thickness doesn't provide the best support
Need Help Narrowing Down Your Options? Here's Some Additional Information to Consider:
Different Kinds of Split California King-Size Thick Mattresses Available
Hybrid Mattresses

If you're thinking about getting a hybrid mattress, this split california king-size thick mattress could be a good choice. These mattresses deliver even weight distribution, so you can sleep soundly while maintaining a balanced posture. They offer pressure point relief, helping to ease tension in your joints, so you will wake up feeling energized and ready to go. Designed with a variety of foams, they provide the perfect amount of cushion. Moving heat away from your body, these mattresses keep you from getting too warm when sleeping. They have various types of coils, so you can choose what's right for you depending on your needs. One downside is that they are more costly than other kinds of mattresses, so if you're looking for a cheaper mattress, you should consider something else.

Memory Foam Mattresses

If you're thinking about getting a memory foam mattress, this split california king-size thick mattress could be a good choice for you. These mattresses are made with various materials, giving you the choice between a wide range of levels of comfort and foam densities. They come with pressure-point relief, which helps soothe any tension in your joints. They boast superior motion isolation, which will make sure you don't wake your partner with your vigorous movements during the night, unlike ordinary spring mattresses. One downside is that these mattresses can smell a bit like chemicals at first, sometimes lasting up to several weeks before wearing off. Additionally, they aren't waterproof, so any encounter with moisture can decrease their usable life and cause degeneration.

What Is the Best Mattress Thickness for Your Split California King-Size Thick Mattress?
10-12 Inch Mattresses

There are only two split california king-size thick mattresses with a thickness of 10-12 inches. Designed with a standard thickness, thick mattresses can fit in most bed frames. They are suitable to use with standard-size sheets, so it will be easy to find linens that fit. They are built with a solid build, so they can sustain more weight than other types of mattresses. These 10-12 inch mattresses are less likely to sag, ensuring that you sleep in the correct posture to prevent joint problems. Something to keep in mind is that they are higher off the ground, so they are more difficult to get out of and into. If you think a 10-12 inch mattress is a good choice, check out this one.

12-14 Inch Mattresses

If you're trying to find a supportive and comfortable split california king-size thick mattress, you might want to think about getting a 12-14 inch mattress. These mattresses are built with a strong construction, making them more durable and able to sustain more weight. They are suitable to use with standard-size sheets, so it will be easy to find linens that fit. These 12-14 inch mattresses are less likely to sag, so the surface will remain level to ensure proper support. Something to keep in mind is that they feature a heavier design, which makes cleaning hard because two people are needed in order to move them. If you think a 12-14 inch mattress is a good choice, here's one to take a look at.

14-16 Inch Mattresses

There's only one split california king-size thick mattress with a thickness of 14-16 inches. These mattresses are built with a strong construction, making them more durable and able to sustain more weight. Less likely to cave in, they will provide adequate support, even after prolonged use. Something to keep in mind is that they feature a heavier design, which makes them difficult to move around. These are just a few facts to help you decide what kind of split california king-size thick mattress is ideal for you.

Thinking About Which Comfort Level You Need
Firm Mattresses

If you're considering a firm mattress, a split california king-size thick mattress could be a good choice for you. These mattresses are perfect for individuals who find it more comfortable to sleep on their back and have a 34-36 pound indentation load deflection rating. They allow for even weight distribution, adequately supporting your back as well as other sensitive areas. They encourage circulation and blood flow, promoting deeper and more restful sleep. One downside is that these mattresses 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. In addition, they can put strain on specific pressure points, so if you want a mattress that alleviates pain in pressure points, this is not the mattress for you.

Plush Mattresses

Interested in getting a plush mattress? A split california king-size thick mattress might be a good choice for you. These mattresses have a 19-21 pound indentation load deflection ranking and are ideal for those who sleep on their back, sides, or stomach. These contouring support mattresses adjust to the natural curves of your body for enhanced comfort. Providing additional support, they are a preferable choice for making sure that any back problems or joint pain that you're experiencing don't get worse. However, they can become lumpy or sag with extended use, so it's possible that they'll be less supportive and comfortable since your body won't be aligned well. In addition, they may be problematic if various sleepers will be using the bed, causing the surface to sag if there is a drastic difference in weight.