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Amerisleep
amerisleep.com โ€บ blog โ€บ mattress guides โ€บ king vs split king mattress: which is better for couples? (2026 guide)
King vs. Split King: What's the Difference? - Amerisleep
Quick answer: King mattresses (76โ€ณx80โ€ณ) provide unified sleeping surface for couples. Split King uses two Twin XL mattresses for personalized comfort. Ideal for different firmness needs or adjustable beds.
Published ย  November 24, 2025
Views ย  5
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Texas Mattress Makers
texasmattressmakers.com โ€บ blog โ€บ split-king-vs-king-bed-how-to-choose
Split King vs. King Bed: How to Choose | Texas Mattress ...
Here are some key differences between ... a king bed is in the way that they are constructed โ€” a king bed has one solid mattress, while a split king bed consists of two Twin XL mattresses placed together in one bed frame....
Discussions

Split King vs. King?
i mean this is not always an option but my partner and i sleep in different rooms and it's dreamy More on reddit.com
๐ŸŒ r/Mattress
7
1
July 25, 2023
Adjustable king beds: split vs flex top?
My hubby and I took the plunge and bought the flex top. We are really pleased with the mattress overall. The Flex allows for plenty of adjustability (we have SN so firmness and head/neck positioning were our primary goals). There is, of course, a slight gap but on ours its minimal (and you get use to it). I cannot, however, imagine having it split all the way down - I think that would be really annoying (especially if the bases slide as I have been told by others they have a tendency to do). The split top allows for a "place" on the mattress for intimacy without risk of getting "stuck" in the hole (lol). There is, of course, a slight gap but on ours it's minimal (and you get used to it). I cannot, however, imagine having it split all the way down - I think that would be really annoying (especially if the bases slide as I have been told by others they have a tendency to do). The split top allows for a "place" on the mattress for intimacy without the risk of getting "stuck" in the hole (lol). More on reddit.com
๐ŸŒ r/Mattress
7
2
January 15, 2022
Talk me out of getting a Split King

You should absolutely get a split king. Ours is perfect. I got a strap from Amazon and it holds them together perfectly. All couples should have a split king and get exactly what they want! And so much easier to move. You'd be a fool to do anything else.

More on reddit.com
๐ŸŒ r/Mattress
16
7
June 16, 2020
Seeking split king / 2 twin xl
Three things: In addition to the "split king" set-up with two separate twinXL mattresses, a number of companies offer mattresses with split-firmness within the mattress -- so it would be one mattress with two sides. For an example of this in latex, check out SleepEZ or for a polyfoam/coil hybrid, check out the Nest Alexander Signature Hybrid . If you do go for the "split king" route with two Twin XL beds of different heights, you can even out the heights buying a block of TwinXL firm polyfoam in whatever the height difference is. Stick that block under the shorter mattress. You can buy a zippered mattress cover that enables you to DIY two TwinXL mattresses inside the same cover -- essentially DIYing your own split firmness mattress. You would need to make them the same height, but this could be accomplished with the same trick as listed in point 2. One advantage to this approach is you can also put one king sized unified layer (like 1" thick) that would make the actual top surface of the mattress feel more or less the same. More on reddit.com
๐ŸŒ r/Mattress
10
7
July 21, 2020
People also ask

Is a split king bigger than a California king?
Yes, a split king is bigger than a California king because a standard king is bigger, if only by a small margin. A standard king offers 6080 square inches, while a California king offers 6048 square inches.
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amerisleep.com
amerisleep.com โ€บ blog โ€บ mattress guides โ€บ king vs split king mattress: which is better for couples? (2026 guide)
King vs. Split King: What's the Difference? - Amerisleep
What is the point of a split king?
Separate twin XL mattresses accommodate differences in mattress firmness, elevation, or other sleep preferences. And a split king minimizes motion transfer.
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amerisleep.com
amerisleep.com โ€บ blog โ€บ mattress guides โ€บ king vs split king mattress: which is better for couples? (2026 guide)
King vs. Split King: What's the Difference? - Amerisleep
How do you keep a split king from sliding apart?
Use a non-slip mattress pad or grip underneath each mattress and cover both with a tight fitted sheet. There are also special straps for split king mattresses, securing the two halves together.
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amerisleep.com
amerisleep.com โ€บ blog โ€บ mattress guides โ€บ king vs split king mattress: which is better for couples? (2026 guide)
King vs. Split King: What's the Difference? - Amerisleep
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Casper Sleep
casper.com โ€บ home โ€บ dreamer's digest โ€บ dreamer's digest
Split King vs King Mattress: What's the Difference? | Casper Blog
August 2, 2024 - King and split king mattresses are the same size, at 80 inches long and 76 inches wide, but a split king is made by pushing two twin XL beds together. King mattresses have long ruled couplesโ€™ bedrooms.
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Reddit
reddit.com โ€บ r/mattress โ€บ split king vs. king?
Split King vs. King? : r/Mattress
July 25, 2023 - If you want to sleep at different angles for your feet and head or you donโ€™t both like the same firmness then I would consider a split. Wife and I did that after we tried out tempurpedic and realized we donโ€™t agree on firmness levels as I am side only and she is side/back with the occasional stomach. This chart shows which companies own which mattress brands - thought it might be helpful for consumers to know of these connections!
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Purple
purple.com โ€บ blog โ€บ split-king-vs-king
Split King vs. King: What Is a Split King + Are They Worth It?
March 26, 2024 - What is a mattress foundation? Itโ€™s what a bed sits on for support and protection.
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GhostBed
ghostbed.ca โ€บ pages โ€บ why-buy-a-split-king-bed
What is a Split King Mattress & Is it Worth It? | GhostBedยฎ Canada
Simply put, a split king mattress is exactly what it sounds like. Itโ€™s a king-size mattress (76โ€ x 80โ€), but itโ€™s โ€œsplitโ€ in halfโ€”made up of two twin xl mattresses (38โ€ x 80โ€) set side by side.
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The Mattress & Sleep Company
tmasc.ca โ€บ en-us โ€บ collections โ€บ split-king-mattresses-canada
Split King Mattresses in Canada โ€“ The Mattress & Sleep Company
Split king size mattresses are simply a pair of Twin XL (Long Twin) mattresses set side-by-side on one king bed frame or for use with individual adjustable (articulating) bed frames.
Find elsewhere
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Pure Parima
pureparima.com โ€บ pillowtalk with pure parima โ€บ flex top vs. split king
Flex Top vs. Split King โ€“ Pure Parima
September 4, 2023 - A Split King mattress consists of two separate Twin XL mattresses placed side by side on an adjustable bed frame, creating a King-size sleeping surface with independent adjustability for both the head and foot sections.
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Lucid
lucidmattress.com โ€บ home โ€บ sleeper's digest โ€บ king vs. split king bed: which one is right for you?
King vs. Split King Bed: Which One is Right For You? - Lucid
August 21, 2023 - Both King and Split King beds measure 76โ€ wide x 80โ€ long, so they are the exact same size and can fit into the same King size bed frame. The difference is, a Split King bed is comprised of two Twin XL mattresses set up side by side, like shown ...
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Leesa
leesa.com โ€บ home โ€บ blog โ€บ is a split king mattress right for you? pros, cons, and considerations
What is a Split King & Do You Need One? | Leesa Sleep
April 7, 2025 - Unlike traditional mattresses that provide a single sleeping surface, a Split King bed offers the flexibility of personalizing each side of the bed. It consists of two Twin XL mattresses placed side by side to create a King-size bed.
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Natural Form
naturalform.com โ€บ blogs โ€บ shopping-guides โ€บ split-king-mattress
Split King vs. King Mattress - Natural Form
July 12, 2022 - Essentially, a split king mattress is two twin xl mattresses placed together to form one big king bed. Sizes can technically vary, but the average footprint is 38โ€ x 80.โ€ When you place two of these mattresses together, voila!
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Twinkle Beds
twinklebeds.com โ€บ home โ€บ king base vs. split king base
King Base vs. Split King Base
MATTRESS CONSIDERATION: If you opt for a King base, youโ€™ll need to purchase a King size mattress to fit the base. This provides a seamless, continuous sleeping surface for both partners. ... Independent Adjustability: The Split King base allows each partner to independently adjust their side ...
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Tempur-Pedic
tempurpedic.com โ€บ split-king
Why Switch to a Split King | Tempur-Pedic
You may want to change your bedroom's layout, switch rooms, or even move to a new home. Because each piece of a split king is half the size of a traditional king mattress, you can maximize maneuverability through doorways, around tight corners, or even up and down the stairs.
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Vaya Blog
vayasleep.com โ€บ blog โ€บ king-vs-split-king
King vs Split King: Which is Best For You? - Vaya Blog
December 5, 2024 - After all, split king beds are just two twin XL mattresses. You can buy a split king mattress or purchase two twin XL mattresses separately and set them up as you would a split king.
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Dawn House
dawnhouseliving.com โ€บ blogs โ€บ news โ€บ king-vs-split-king-vs-california-king-mattress
King vs. Split King vs. California King Mattress โ€“ Dawn House
September 5, 2023 - A split king is two twin XL mattresses, each measuring 36x80 inches. Placed side-by-side, they retain the overall length of a standard king mattress while breaking up the width into two halves separated by a small gap.
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YouTube
youtube.com โ€บ watch
King vs Split King Mattresses: Which is Right for You? - YouTube
In this video, GhostBed Sleep Expert, Amber, talks about how to choose between a king and split king mattress. 00:00 Intro0:11 What are King and Split King M...
Published ย  June 8, 2023
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Tempur-Pedic
help.tempurpedic.com โ€บ hc โ€บ en-us โ€บ articles โ€บ 4404702376727-What-s-the-difference-between-a-King-Split-King-and-Split-CA-King-mattress
What's the difference between a King, Split King, and Split CA King mattress? โ€“ Tempur-Pedic
A King mattress is one piece, whereas Split King and Split CA King mattresses are comprised of 2 mattress halves that make up a whole; this allows customers to further customize their comfort by having the option to select a different feel for ...
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DreamCloud
dreamcloudsleep.com โ€บ p โ€บ mattress-size-dimensions-guide
Mattress & Bed Size-Dimension Comparison Guide 2026 | DreamCloud
Refer to our mattress sizes guide & dimensions chart to compare the most popular bed sizes and mattress dimensions.
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Shuees
shuees.com โ€บ blog โ€บ explore-king-mattresses
Sleep Like Royalty: Explore the 7 Different Types of King Mattresses! | Shuee's Furniture & Appliance | Furniture and Appliances | Greencastle, IN
June 13, 2023 - Size-wise, there isn't any difference; a split king is the same size as a standard king, and the same goes for a split Cal king and a standard Cal king. The most significant difference is that the mattress is split into two halves (a king is ...