Trusted by 5.5 million American sleepers*
A split bed is a mattress that’s divided into two separate sections—usually two twin XL mattresses placed side by side to form a split king. This setup allows couples to choose different mattress types or firmness levels while still sharing the same bed frame.
A split adjustable bed takes that one step further. It combines the split mattress setup with an adjustable base that lets each sleeper independently raise or lower the head and foot of their side. This creates a fully customizable sleep surface—ideal for partners with different comfort needs, health conditions, or sleep habits.
There are a few common formats:
- Split King Bed – Two twin XL mattresses, most common and widely supported by adjustable bases.
- Split Queen Bed – Less common; two narrower sections for more compact spaces.
- Split California King – Longer than a standard king; ideal for taller sleepers.
While standard split beds are great for different firmness levels, split adjustable beds offer true personalization, combining mattress comfort with powered positioning.
What Exactly Is a Split Adjustable Bed?
A split adjustable bed is exactly what it sounds like: a bed that splits down the middle, typically into two twin XL mattresses, and allows each side to be independently adjusted. That means each partner can raise or lower the head and foot of their bed to their liking, without affecting the other side.
Split adjustable beds are most commonly found in split king format (two twin XLs), but you can also find split queen and split California king options. They’ve become a go-to solution for couples with different sleep needs, offering better comfort, flexibility, and personalization than traditional flat mattresses.
Why Choose a Split Adjustable Bed?
Here’s what makes split adjustable beds such a smart upgrade, especially for couples:
- Independent comfort – No more compromise. Each person gets their ideal position.
- Pain relief – Elevating the head or legs can ease pressure on the back, hips, and joints.
- Snoring and reflux reduction – Lifting the upper body helps open airways and prevent acid reflux.
- Zero gravity setting – Some models include this NASA-inspired position to reduce strain on the spine.
- Less motion transfer – With two separate mattresses, you won’t feel your partner tossing and turning.
In short, a split adjustable bed is like having two customized sleep systems in one frame.
Our top picks for June 2025
9.9
9.9
Memory Foam
How to Choose the Best Split King Adjustable Bed & Mattress Combo
There are a lot of split beds and adjustable bases on the market, but not all of them are worth your money. Here’s what to look for when choosing the right combo for your sleep setup:
1. Mattress Compatibility
Not every mattress works well with an adjustable base. Look for options that are:
- Designed for flexibility – Memory foam, latex, and hybrid mattresses work best.
- Labeled “adjustable-friendly” – Always check that the mattress is rated for use with a base that moves.
2. Sleep Position & Firmness Preference
- Side sleepers typically prefer a softer mattress with good pressure relief.
- Back sleepers often need balanced support—medium-firm is ideal.
- Stomach sleepers usually need a firmer feel to keep their spine aligned.
With a split setup, you and your partner can each get the firmness that works for your body—no compromise required.
3. Base Features That Matter
Adjustable bases range from basic to high-tech. Consider these features:
- Head and foot elevation – The core of any adjustable bed.
- Zero gravity preset – Reduces pressure on your spine and improves circulation.
- Massage functions – Vibration settings for added comfort.
- USB ports & under-bed lighting – Small upgrades that make a difference.
- Wireless remote or app control – For easy adjustments, even in the dark.
4. Build Quality & Noise Level
Cheap adjustable bases may creak, wear out, or fail over time. Look for:
- Quiet motors – Especially if your partner adjusts during the night.
- Sturdy construction – Metal frames last longer and support more weight.
- Reliable warranty – Aim for 10+ years on the base and lifetime on the mattress.
5. Split vs. Non-Split (and the Middle Gap)
Some bases allow for “sync mode”—letting you control both sides at once when needed. That’s helpful if you want to keep the beds together sometimes.
And yes, there is a small gap in the middle of a split king—but most couples don’t notice it, especially if they use a good mattress topper or tight-fitting sheets.
6. Delivery, Setup & Trial Period
Most top brands now offer:
- White glove delivery – Professionals set up your bed in your home.
- 365-night trials – So you can sleep on it risk-free.
- Easy returns & warranties – For peace of mind.
Recommended Split King Adjustable Beds & Mattresses
Not all split adjustable beds are created equal. We’ve reviewed dozens of combinations to find the ones that offer the best value, comfort, support, and real-world performance. Whether you’re looking for premium features, cooling technology, or budget-friendly options with solid trial periods, there’s something here for you.
Buying Online vs. In-Store: What to Know Before You Order
Shopping for a split king adjustable bed used to mean visiting multiple stores, testing out different setups under harsh lighting, and dealing with pushy salespeople. Now, you can skip all that—and still make a smarter decision—by buying online.
Here’s why online has become the preferred way to shop for adjustable beds:
- Better prices – Online brands cut out the middleman and pass the savings to you.
- More selection – You get access to the full lineup, not just what’s in stock locally.
- Customer reviews – See what real people say about comfort, durability, and support.
- Generous trial periods – Most brands offer 100+ night sleep trials—some up to 365 nights.
- Free delivery & setup – Many include white glove service so you don’t lift a finger.
Check Price
More details
Comfortable for all average-weight sleeper types
Classic memory foam feel, with deep sinkage and contouring
365-Day sleep trial and warranty
Free shipping and delivery
Absorbs motion, making it ideal for couples
Stomach sleepers might not get the best support
Doesn’t support sleepers over 250 pounds
More details
Great for back- and side sleepers
Suitable for couples & heavier builds
Premium edge support for people with limited mobility
365-night trial
Lifetime defect warranty
Combines comfort & support
Limited sinking
Heavy & difficult to move
More details
High-quality, USA-based manufacturing
Customizable firmness
CertiPUR-US certified foam
Industry-leading warranty terms
Exceptional point-pressure relief
Luxurious, supportive pillow-top cover
Superb edge support
Not a bed-in-a-box service
Not the cheapest option
Conclusion
Choosing the best split king adjustable bed isn’t just about features—it’s about upgrading the way you sleep. Whether you’re dealing with back pain, snoring, or simply want more control over your comfort, a split adjustable setup offers real, lasting benefits.
With the right split king mattress and adjustable base combo, you and your partner can sleep independently but together, each side tailored to your exact needs. From smart features to personalized support, it’s one of the most impactful investments you can make for your health and well-being.
Explore our top-rated split king adjustable beds, compare features, and find the one that helps you sleep deeper, longer, and better.
Split Adjustable Bed Frequently Asked Questions
What is the best split king adjustable bed for couples?
The best split king adjustable bed is one that offers independent head and foot controls, strong lumbar support, and mattress compatibility on both sides. Look for models with wireless remotes, quiet motors, and customizable presets.
Can any mattress work with a split king adjustable bed?
Not all mattresses work well with adjustable bases. The best split king mattress with adjustable base compatibility is usually a memory foam, latex, or hybrid design. Avoid traditional innerspring unless labeled as “adjustable-friendly.”
Is there a gap in the middle of a split king bed?
Yes, there’s a small gap between the two twin XL mattresses that make up a split king bed. Most sleepers don’t notice it, especially with a shared mattress topper or fitted sheets that hold both sides in place.
What sheets do you use on a split king adjustable bed?
You’ll need two twin XL fitted sheets—one for each side—and a shared top sheet or blanket. Many bedding brands now offer complete split king sheet sets designed specifically for this purpose.
Do split king adjustable beds require special setup?
Some brands offer white glove delivery and setup, especially for heavier bases. If you’re setting it up yourself, make sure the base supports both halves securely and that your mattresses are designed to flex with movement.
