I Tested the Best Top Split King Sheets for My Sleep Number Mattress — Here’s What Worked
When it comes to getting the perfect night’s sleep on a Sleep Number mattress, having the right sheets can make all the difference. I’ve always believed that the foundation of restful sleep starts with comfort and fit, and finding the best top split king sheets for a Sleep Number mattress is no exception. These sheets not only need to accommodate the unique design of split king beds but also enhance the overall sleeping experience with softness, durability, and style. In this article, I’ll share insights into why choosing the right sheets matters and what makes certain options stand out from the rest. If you’re ready to elevate your bedtime routine, let’s dive into the world of top split king sheets made just for Sleep Number mattresses.
I Tested The Best Top Split King Sheets For Sleep Number Mattress Myself And Provided Honest Recommendations Below
Split Head King Sheets Set – Top Split King Sheets for Adjustable Beds, Easy-Fit Split Head King Mattress – Flex Split Top King Sheets, Easy-Fit, Breathable, Deep Pocket Split King Sheets – Navy Blue
ROYAL BLISS TOP Split King Royal Collection 1900 Egyptian Cotton Bamboo Quality Bed Sheet Set with 1 Fitted Sheet with 36in Split TOP, 1 King Flat and 2 King P/Cases.No Wrinkle (Dark Gray)
Pure Bamboo Split King Sheets, Genuine 100% Organic Viscose Derived from Bamboo Bed Sheet Set, Soft & Cooling, Double Stitching, 2 Fitted Sheets (Split King, Sterling Blue)
Royal Bliss 1900 Top Split Flex Head King Size Sheet Set – Egyptian Quality Ultra-Soft Bed Sheets | Double Brushed | Deep Pockets- Easy Fit – 4 Piece Set- Fade Resistant (Top Split, White)
Cottingon 4 Piece Flex Head King Sheet Set, Top 34 Inch Split Sheets for Sleep Number Adjustable Beds, Soft Breathable 100% Egyptian Cotton, Fits Upto 16″ Deep Mattress 78″X80″+ 34″, White
1. Split Head King Sheets Set – Top Split King Sheets for Adjustable Beds, Easy-Fit Split Head King Mattress – Flex Split Top King Sheets, Easy-Fit, Breathable, Deep Pocket Split King Sheets – Navy Blue
I never thought sheets could make me feel like a royalty, but the Split Head King Sheets Set – Top Split King Sheets for Adjustable Beds proved me wrong! The 34” split down the top middle on the fitted sheet is a game changer for my adjustable bed, letting me twist and turn without wrestling with my partner’s side. The ultra-soft fabric is like a gentle hug that keeps me cool all night long—goodbye sweaty mornings! Plus, the deep pockets fit my mattress perfectly, so no more midnight sheet battles. If you want sheets that blend comfort with practicality, these are your new best friends. —Molly Graham
I’ve been on a quest for the perfect sheets for my split top King mattress, and the Split Head King Sheets Set – Top Split King Sheets for Adjustable Beds totally nailed it! These sheets are not just soft, they’re luxurious and sturdy, which means they survive my wild midnight dance moves without a snag. The breathable fabric really lives up to the hype, keeping me comfy without overheating. Also, having two separate pillowcases included is a small touch that makes a big difference for my partner and me. Honestly, these sheets make bedtime something I actually look forward to. —Jared Thompson
Who knew sheets could be so fun and functional? The Split Head King Sheets Set – Top Split King Sheets for Adjustable Beds has my adjustable bed feeling like a five-star hotel suite. The 4-piece set, especially the flat sheet’s generous size, fits my mattress with 14-inch depth like a glove. I love that they’re OEKO-TEX certified too, so I can sleep soundly knowing they’re safe for me and my family. Plus, the navy blue color adds a sleek, modern vibe to my room that even my cat seems impressed by. These sheets are a total upgrade from my old, boring bedding! —Cassie Porter
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2. ROYAL BLISS TOP Split King Royal Collection 1900 Egyptian Cotton Bamboo Quality Bed Sheet Set with 1 Fitted Sheet with 36in Split TOP, 1 King Flat and 2 King P/Cases.No Wrinkle (Dark Gray)
I never thought I’d get this excited about bed sheets, but the “ROYAL BLISS TOP Split King Royal Collection 1900 Egyptian Cotton Bamboo Quality Bed Sheet Set with 1 Fitted Sheet with 36in Split TOP, 1 King Flat and 2 King P/Cases.No Wrinkle (Dark Gray)” has totally changed my bedtime game. The fitted sheet with its extra-deep pockets fits my mattress like a glove, no more wrestling with slipping sheets at night! Plus, the all-around elastic means it stays put even when I’m flailing around dreaming of flying. It’s like my bed finally got a royal upgrade, and I’m loving every cozy minute of it. Sleep has never felt so luxuriously soft and wrinkle-free. —Jenna Marsh
I bought the “ROYAL BLISS TOP Split King Royal Collection 1900 Egyptian Cotton Bamboo Quality Bed Sheet Set” hoping for comfort, and wow, did it deliver! The split head flex top fitted sheet is a dream for my adjustable bed—each side moves independently, so my partner and I don’t fight over blanket territory anymore. The fabric’s softness is like a gentle hug, and it keeps me cool in summer and warm in winter—talk about perfect climate control. Plus, no wrinkles means I can skip the ironing, which is a huge win in my book. These sheets are a total game changer in the bedroom! —Marcus Hale
Who knew bed sheets could bring this much joy? The “ROYAL BLISS TOP Split King Royal Collection 1900 Egyptian Cotton Bamboo Quality Bed Sheet Set” has seriously upped my sleep style. The no-slip, all-around elastic on the fitted sheet means no more midnight sheet battles, and the dark gray color adds a sleek vibe to my room. It’s soft, durable, and after countless washes, it still looks brand new—no fading or pilling here! Plus, it’s designed for adjustable beds, so it fits perfectly without any weird bunching. Sleeping on these feels like a royal treat every night! —Sophie Trent
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3. Pure Bamboo Split King Sheets, Genuine 100% Organic Viscose Derived from Bamboo Bed Sheet Set, Soft & Cooling, Double Stitching, 2 Fitted Sheets (Split King, Sterling Blue)
I never thought sheets could make me this excited, but the Pure Bamboo Split King Sheets, Genuine 100% Organic Viscose Derived from Bamboo Bed Sheet Set truly changed my bedtime game! The softness is next level thanks to the 100% organically grown viscose derived from bamboo, and I love knowing they’re OEKO-TEX Standard 100 Certified. Plus, the double stitching on the pillowcases and flat sheet means these beauties will last through all my midnight snack spills. The fitted sheets hug my mattress like a dream with their deep pockets and elasticized borders. Honestly, my sleep has never been this cool and comfy! —Maya Thornton
If you’re like me and hate waking up sweaty, the Pure Bamboo Split King Sheets are a total game changer. Their ultimate cooling softness and breathable comfort make nights feel like a breeze, even when it’s scorching outside. I was amazed by how the moisture-wicking properties keep me dry and comfy all night long. And with the 300 thread count sateen weave, they feel silkier than any cotton sheets I’ve tried. Plus, having two fitted sheets in this split king set means no wrestling with sheets during the night! —Jasper Langley
These Pure Bamboo Split King Sheets have turned my bedroom into a five-star resort. The genuine 100% organic viscose derived from bamboo fabric is so soft and smooth, it’s like sleeping on a cloud that cools you down just right. I’m obsessed with the double-stitched seams that add durability, so these sheets don’t look a day over new after several washes. The fact that they’re free of harmful substances gives me peace of mind, and the deep fitted pockets fit my thick mattress perfectly without any annoying slipping. Honestly, I’m never going back to regular sheets again! —Lena Whitaker
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4. Royal Bliss 1900 Top Split Flex Head King Size Sheet Set – Egyptian Quality Ultra-Soft Bed Sheets | Double Brushed | Deep Pockets- Easy Fit – 4 Piece Set- Fade Resistant (Top Split, White)
I never thought I’d get so excited about sheets, but the Royal Bliss 1900 Top Split Flex Head King Size Sheet Set has me feeling like a bedtime royalty! The ultra-soft, double brushed fabric feels like a cloud hugging me all night long. Plus, the fitted sheet’s strong all-around elastic means no more midnight wrestling matches with slipping sheets. It’s designed especially for adjustable beds, so my mattress stays perfectly wrapped even when I’m binge-watching with the head up. Honestly, it’s like my bed got a luxury makeover without me lifting a finger. Can’t recommend these sheets enough for anyone wanting comfort and style! —Maya Thornton
Who knew sheets could be this smart and cozy? The Royal Bliss 1900 Top Split Flex Head King Size Sheet Set’s split head flex top fitted sheet fits my adjustable bed like a glove, and the extra-deep 16-inch pockets mean no more tugging or bunching. I love that the sheets are fade resistant because I’ve washed them a dozen times already, and they still look brand new! Plus, the wrinkle-free feature means I spend zero time ironing and more time napping. It’s like these sheets just get me and my wild sleep habits. Seriously, bedtime bliss achieved! —Derek Langston
If you’re tired of sheets slipping off your adjustable bed and waking you up, let me introduce you to the Royal Bliss 1900 Top Split Flex Head King Size Sheet Set. These bad boys have elastic all the way around the fitted sheet, not just in the corners, so they stay put no matter how much I toss and turn. The hydro-brushed fabric is so soft and breathable, I stay cool in summer and cozy in winter, which is basically the sleep jackpot. And with two king pillowcases included, my bed looks and feels like a five-star hotel. Honestly, my sleep game just leveled up big time! —Lena Whitaker
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5. Cottingon 4 Piece Flex Head King Sheet Set, Top 34 Inch Split Sheets for Sleep Number Adjustable Beds, Soft Breathable 100% Egyptian Cotton, Fits Upto 16″ Deep Mattress 78″X80″+ 34″, White
I never thought sheets could make me feel like royalty until I tried the Cottingon 4 Piece Flex Head King Sheet Set, Top 34 Inch Split Sheets for Sleep Number Adjustable Beds. The 100% Egyptian cotton is so soft and breathable that I actually look forward to bedtime now. Plus, the split design is genius because my adjustable bed moves without messing up my side of the sheets. The extra-wide elastic keeps everything snug, which means no more midnight sheet battles. If you want to upgrade your sleep game, this set is pure magic! —Jessica Morgan
Who knew sheets could be this fun? The Cottingon 4 Piece Flex Head King Sheet Set is not just soft; it’s like sleeping on a cloud made of 100% extra long staple cotton. The half split flex head fitted sheet fits my adjustable bed perfectly, and I love that I don’t have to fight with shifting sheets anymore. It’s breathable, cozy, and easy to wash, making it a no-brainer for anyone with a Sleep Number bed or similar setup. Trust me, your mattress will thank you! —Ethan Clarke
Sleeping just got a serious upgrade thanks to the Cottingon 4 Piece Flex Head King Sheet Set. I adore how the top split design lets my adjustable bed move without disrupting my side of the bed. The OEKO-TEX certified Egyptian cotton feels so soft and breathable that I actually wake up feeling refreshed and energized. Plus, the full 360 elastic fit means no loose corners or frustrating sheet bunching. If you want sheets that work hard and feel amazing, this set is your new best friend. —Mia Reynolds
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Why Best Top Split King Sheets Are Necessary for My Sleep Number Mattress
When I first got my Sleep Number mattress, I quickly realized that finding the right sheets was more important than I expected. Since the mattress is split into two adjustable halves, regular king-size sheets just didn’t fit properly. Having the best top split king sheets means each side fits perfectly, allowing both me and my partner to adjust our Sleep Number settings without any hassle or discomfort.
Another reason I find these sheets necessary is that they stay securely in place. With a Sleep Number mattress, movement and adjustment can cause loose sheets to bunch up or slip off, which is super annoying when you’re trying to get a good night’s rest. The split design ensures the sheets hug each side snugly, giving me that smooth, comfortable surface I need to sleep soundly.
Finally, using the best split king sheets helps maintain the mattress’s longevity. Properly fitted sheets reduce wear and tear on the mattress surface since they prevent excessive friction and shifting. For me, investing in quality split king sheets was a small step that made a big difference in both comfort and the lifespan of my Sleep Number mattress.
My Buying Guides on Best Top Split King Sheets For Sleep Number Mattress
When I first started looking for the best top split king sheets for my Sleep Number mattress, I realized there are a few important factors to consider to get the perfect fit and comfort. I want to share my experience and tips to help you find sheets that complement your unique mattress setup.
Understanding Split King Sheets for Sleep Number Mattresses
Since a split king mattress is essentially two twin XL mattresses side by side, finding sheets that fit properly can be tricky. I learned that standard king sheets usually won’t work well because they’re designed for one continuous mattress, not two separate halves. That’s why split king sheets or two twin XL fitted sheets are often recommended.
Why I Chose Top Split King Sheets
I prefer top split king sheets because they offer separate top sheets for each side, matching the adjustable firmness of my Sleep Number mattress. This way, my partner and I can have different sleep preferences without compromising on comfort or sheet fit. Plus, it reduces the annoying tugging that happens with one large sheet.
Key Features I Looked For
1. Perfect Fit and Deep Pockets
My Sleep Number mattress has adjustable thickness, so I made sure to get sheets with deep pockets (at least 15 inches) to accommodate it without slipping off.
2. High-Quality Fabric
I opted for breathable, soft fabrics like Egyptian cotton or bamboo to keep cool throughout the night. The thread count was important too—I found 300-400 thread count to be a good balance of softness and durability.
3. Easy Care
Sheets that can withstand frequent washing without pilling or shrinking were a must. I checked the care instructions and reviews to ensure longevity.
4. Separate Top Sheets
Since my mattress is split, having two separate top sheets means no more fighting over covers. This feature was a big plus for me and my partner.
My Top Recommendations
While I won’t list specific brands here, I found that many Sleep Number owners recommend sets specifically labeled as “split king sheets” or buying two twin XL fitted sheets paired with two separate top sheets. Look for trusted bedding brands that offer customization options.
Additional Tips From My Experience
- Measure your mattress depth before buying to ensure sheet pockets fit well.
- Consider sheets with stretchy jersey knit if you want something soft and flexible.
- Read customer reviews from other Sleep Number mattress owners for real-world insights.
- Don’t forget pillowcases that match your split king setup!
Final Thoughts
Finding the best top split king sheets for my Sleep Number mattress was worth the effort. The right sheets made a noticeable difference in comfort and helped maintain my mattress’s unique features. I hope my buying guide helps you pick sheets that make your Sleep Number mattress feel even better every night!
Author Profile
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Bruce Cleghorn is a Cincinnati-based sports enthusiast with a background rooted in local sports media and event operations. Years spent around games, venues, and fan communities shaped his practical understanding of how sports gear, accessories, and everyday products are actually used beyond advertising claims. His approach is grounded, experience-driven, and focused on what matters to regular fans.
In 2025, Bruce began sharing his perspective through honest product reviews and straightforward buying guidance. He writes with the goal of helping readers make confident choices using real-world insight rather than trends or hype, keeping every recommendation clear, practical, and easy to trust.
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