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The 10 Best Split King Sheets

Medically reviewed by Debra Sullivan, Ph.D., MSN, R.N., CNE, COI — Written by Steph Coelho, CPT on March 8, 2022On this page

What are they?
How we chose
Our picks
Comparison
How to choose
FAQs
Takeaway

sets of split king sheets on blue background

A quick look at the best split king sheets

Best sateen split king sheets: Brooklinen Luxe Split King Sheet Set
Best cooling split king sheets: OneBed Cool & Lazy Sheets
Best organic cotton split king sheets: Boll & Branch Percale Hemmed Sheet Set
Best budget split king sheets: CGK Unlimited Split King Sheet Set
Best wrinkle-free split king sheets: Sheex Original Performance Sheet Set
Best year-round split king sheets: GhostSheets
Best flannel split king sheets: Royal Hotel Bedding Cotton Flannel Sheets
Best microfiber split king sheets: Royal Collection 1900 Split King Sheet Set
Best deep pocket split king sheets: CGK Unlimited Extra Deep Pocket Sheets
Best split head flex king sheets: Bare Home Split Head Flex King Sheet Set

Not every couple can agree on the perfect mattress specifications. Some like it firm, while others prefer a soft, pillowy surface. There’s no need to compromise when you opt for a split king mattress. This consists of two twin XL mattresses that are typically joined with a special midsection connector.

Finding the proper sheets for your split king can be a bit difficult, though, since it’s not a standard mattress size. And not every retailer sells split king sheets. This article will help you find the right sheets for your slumber.

What are split king sheets?

Split king sheets are designed to fit a split king mattress, which is two twin XL mattresses squished together. This type of mattress is excellent for couples who want to customize their sleep experience. You can also use a split king mattress with an adjustable bed frame.

While you could just buy two twin XL sheet sets, a split king sheet set helps you create a cohesive look and cozy feel. It typically includes two twin XL fitted sheets, a large, king-size flat sheet, and matching pillowcases.

Split king sheets are also available for adjustable beds. These mattresses allow you to raise or lower the head or foot of the bed to your liking. Adjustable split king sheets feature straps to keep them in place even as you adjust the angle of the mattress. They may also have deeper pockets.

How we chose the best split king sheets

Here’s how we narrowed down our list of the best split king sheets:

Size. We made sure only to include sheet sets designed explicitly for split king mattresses, so this list is free of twin XL sheets. We also included various options, from deep pocket sheets to options made for adjustable beds.
Materials. The list includes sheets in a variety of materials to fit different preferences. You’ll find options like cotton, bamboo, sateen, and more.
Customer reviews. The customer is always right—and we take customer feedback seriously. That’s why we only feature products that get rave reviews from users. And if there’s a downside, we make sure to mention it so you’re fully informed.

Pricing guide

$ = under $150
$$ = $150–$250
$$$ = over $250

Healthline’s picks for the best split king sheets

Best sateen split king sheets

Brooklinen Luxe Split King Sheet Set

Price: $$
Material: cotton

These buttery smooth sateen cotton fabric sheets have a 480 thread count. They’re also OEKO-TEX certified and conveniently labeled with “short” and “long” side labels to make it easier to make the bed.

This set includes:

two fitted twin XL sheets
a king-size top sheet
two pillowcases with envelope closures

What do reviewers think? Many customers say that the Brooklinen sheets are comfortable and breathable. However, a few reviewers note that the sizing is too loose for their mattresses. Comments on the feel are mixed. Some say the sheets have a great soft feel, while others call them scratchy.

Shop now at Brooklinen

Best cooling split king sheets

OneBed Cool & Lazy Sheets

Price: $$
Material: cotton

Hot sleepers are familiar with the fact that not all sheets are made equal. Breathable sheets can make the difference between soaking in your own sweat or drifting off comfortably in the night.

These 300 thread count crisp cotton sheets are OEKO-TEX certified and feature a breathable percale weave. And they even come with a 100-night sleep trial.

Reviewers like the texture and agree that these sheets stay put on the bed thanks to tight corner elastics. A few complain that the sheets are scratchy, but the brand notes that they get softer after each wash.

Shop now at OneBed

Best organic cotton split king sheets

Boll & Branch Percale Hemmed Sheet Set

Price: $$$
Material: organic cotton

These organic sheets from Boll & Branch are ultra-soft and feature an elegant hemmed edge. The sheet set comes in a variety of colors, including crisp white and a deep navy. They’re OEKO-TEX certified and contain Global Textile Standard (GOTS) and Fair Trade Certified organic cotton.

Most customers give these sheets a 5-star rating, some calling them “the most amazing sheets.” One reviewer did note that they wrinkle easily, though.

Shop now at Boll & Branch

Best budget split king sheets

CGK Unlimited Split King Sheet Set

Price: $
Material: brushed microfiber

For those who don’t want to break the bank, these affordable CGK split king sheets have deep pockets and come in several colors. The set includes:

a flat sheet
two fitted sheets
four pillowcases

One reviewer says sleeping on these sheets is like sleeping on butter. Many also say that they’re impressed with the quality, considering the price. A few customers complain about the quality, calling the sheets too thin. But this may be a worthwhile trade-off if you’re looking to save money.

Shop now at Amazon

Best wrinkle-free split king sheets

Sheex Original Performance Sheet Set

Price: $$$
Material: polyester and spandex

Made of mattress-hugging polyester and spandex, these sheets are wrinkle-resistant and designed to never need ironing. The breathable sheets are also great for hot sleepers.

Each sheet set comes with:

two fitted sheets
a flat sheet
four pillowcases

Reviewers love the wrinkle-free fabric and enjoy the smooth texture. People also like that they’re easy to toss into the wash. One customer says that the sheets aren’t worth the price and another points out issues with delivery delays.

Keep in mind there’s a 60-night risk-free guarantee and each set ships free within the United States.

Shop now at Sheex

Best year-round split king sheets

GhostSheets

Price: $$$
Material: cotton blend

These cotton blend sheets from GhostBed are made for hot sleepers who want year-round comfort. Cotton lends a soft touch, while TENCEL fibers help improve breathability and moisture-wicking abilities.

The sheets come with a 3-year warranty and ship for free.

Customers say that they like the snug fit and that the sheets wash nicely. A few reviewers complain that they feel a little stiff, though, and that the fit isn’t as tight as expected.

Shop now at GhostBed

Best flannel split king sheets

Royal Hotel Bedding Cotton Flannel Sheets

Price: $
Material: cotton

We’ve provided plenty of options for hot sleepers, but what if you’re perpetually cold at night? Thick, snuggle-y flannel sheets could be the solution to your chilly sleep problems.

These natural cotton sheets fit mattresses up to 16 inches deep and are designed to keep you warm on the coldest of winter nights.

Reviewers like that the sheets are affordable and say they deliver on warmth and coziness. Some note that the sheets start out with a noticeable chemical smell, but say this seems to go away after a few washes.

Shop now at Amazon

Best microfiber split king sheets

Royal Collection 1900 Split King Sheet Set

Price: $
Material: cotton

These soft, wrinkle-free microfiber sheets are designed to fit mattresses up to 16 inches deep. They feature brushed microfiber, which is a fabric you can sleep in during all seasons.

They’re also machine washable and designed not to shrink when washed.

Reviewers say that they’re thick and feel durable. Customers also appreciate the heavy-duty elastic straps that help keep the sheets in place.

Shop now at Amazon

Best deep pocket split king sheets

CGK Unlimited Extra Deep Pocket Sheets

Price: $
Material: cotton

If you have a particularly deep mattress, you’ll need a sheet set with deep pockets, like this one from CGK Unlimited. This extra-deep sheet set can fit mattresses up to 21 inches in depth, or accommodate a regular bed with a thick mattress topper. It features soft cotton fabric and bonus pillowcases.

Customers love that the sheets are soft and breathable yet warm. They also appreciate that they stay put and don’t move around like other budget sheets. One reviewer does complain that although they like the deep fit, they found the sheets overpriced.

Shop now at Amazon

Best split head flex king sheets

Bare Home Split Head Flex King Sheet Set

Price: $
Material: polyester

These sheets are specifically designed to fit with a split head bed. A split head king bed has separated mattresses at the top, but not the bottom. That means that instead of two twin XL fitted sheets, you’ll get one flex-head king-size fitted sheet, a king-size flat sheet, and two pillowcases.

Split head king sheets can be tough to find, so these sheets made it on our list of top picks for their soft feel and value price tag. However, many reviewers note that the sheets lack durability.

Shop now at Amazon

Best split king sheets compared

BrandPriceMaterialBrooklinen$$cottonOneBed$$cottonBoll & Branch$$$organic cottonCGK Unlimited$brushed microfiberSheex$$$polyester and spandexGhostbed$$$cotton blendRoyal Hotel Bedding$cottonRoyal Collection 1900$cotton microfiberCGK Unlimited (deep pocket)$cotton Bare Home$polyester

How to choose the best split king sheets for you

When shopping for split king sheets, here’s what’s most important to keep in mind.

Your mattress. Not all split king mattresses have the same specifications. Extra-deep mattresses may require a deep pocket sheet set. And if you have a split head king, you’ll want a split head sheet set, not a split king set.
Your sleep temperature. Hot sleepers should opt for breathable fabrics like bamboo. If you get cold at night, flannel might be more your speed. And it’s not just for the sake of comfort. Research from 2017 shows that your sleeping temperature can affect your sleep quality.
OEKO-TEX certification. This certification is a good quality indicator and ensures that your comfy sheets are free of unwanted chemicals.

Frequently asked questions

Who are split king sheets right for?

You’ll need split king sheets if you have a split king mattress. And if you have a split head king, you’ll need split head king sheets for your bed.

Is a split king mattress the same size as a king?

No. A split king mattress is two twin XL mattresses pushed together with a connector in the middle. A king mattress has no middle part, and there’s no way to customize each side.

What sheets do you buy for adjustable beds?

Sheets for adjustable beds will usually have corner elastics for an extra secure fit. Additionally, if you have a split head bed, you’ll need sheets designed specifically for this purpose.

Takeaway

Getting the right sheets for a split king is essential. If you opt for a king-size fitted sheet for a split king, you’ll likely end up slipping and sliding throughout the night.

The perfect split king sheets will depend on whether you sleep hot or cold, what kind of feel you’re looking for, and the depth of your mattress.

Steph Coelho is a freelance writer with chronic migraine who has a particular interest in health and wellness. When she’s not click-clacking away on her keyboard, she’s probably nose-deep in a good book.

How we reviewed this article:

SourcesHistoryHealthline has strict sourcing guidelines and relies on peer-reviewed studies, academic research institutions, and medical journals and associations. We only use quality, credible sources to ensure content accuracy and integrity. You can learn more about how we ensure our content is accurate and current by reading our editorial policy.

Obradovich N, et al. (2017). Nighttime temperature and human sleep loss in a changing climate.https://www.ncbi.nlm.nih.gov/labs/pmc/articles/PMC5446217/

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Medically reviewed by Debra Sullivan, Ph.D., MSN, R.N., CNE, COI — Written by Steph Coelho, CPT on March 8, 2022

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Sleep

A quick look at the best split king sheets

What are split king sheets?

How we chose the best split king sheets

Pricing guide

Healthline’s picks for the best split king sheets

Best sateen split king sheets

Brooklinen Luxe Split King Sheet Set

Best cooling split king sheets

OneBed Cool & Lazy Sheets

Best organic cotton split king sheets

Boll & Branch Percale Hemmed Sheet Set

Best budget split king sheets

CGK Unlimited Split King Sheet Set

Best wrinkle-free split king sheets

Sheex Original Performance Sheet Set

Best year-round split king sheets

GhostSheets

Best flannel split king sheets

Royal Hotel Bedding Cotton Flannel Sheets

Best microfiber split king sheets

Royal Collection 1900 Split King Sheet Set

Best deep pocket split king sheets

CGK Unlimited Extra Deep Pocket Sheets

Best split head flex king sheets

Bare Home Split Head Flex King Sheet Set

Best split king sheets compared

How to choose the best split king sheets for you

Frequently asked questions

Who are split king sheets right for?

Is a split king mattress the same size as a king?

What sheets do you buy for adjustable beds?

Takeaway

How we reviewed this article:

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