Best Split King Adjustable Bed of 2026

Sometimes one mattress simply can’t meet the needs of co-sleepers. If that’s the case, a split king adjustable bed may be a good solution.

To create a split king bed, manufacturers place two twin XL beds next to one another, so sleep partners can customize their sleep experience with a mattress that works well for their body type and sleep position. Additionally, since no motion transfers between the beds, couples aren’t bothered by their partner’s movements.

An adjustable split king base adds even more options, allowing users to change the head and foot positions on each side of the adjustable split king independently. Sleepers can raise or lower the bed to reduce snoring, prevent leg swelling, or increase comfort.

We’ll equip you with all the information you need to choose the best split king adjustable bed for you, including discussing our top picks for the best adjustable bed frame for a split king mattress and answering common questions about adjustable beds.

Best Overall: Saatva Adjustable Base Plus

Best Overall

9.2/10Test Lab Score

Saatva Adjustable Base Plus

$300 off orders of $1,000 or more Shop At Saatva

Price: $1,499

Mattress Type: Adjustable Bed

Firmness Options: N/A

Trial Period: None

The name Saatva has come to epitomize luxurious, handsomely crafted sleep products. One of Saatva’s newest additions, the Adjustable Base Plus, fits in nicely with the brand’s current lineup. Designed for superior range of motion and equipped with a slew of high-end features, the base should serve the needs of anyone hoping to get the most out of a split king adjustable bed.

Notable Features

Standard split king Adjustable Base Plus models include wall-hugging technology. This feature is intended to keep your bed equidistant from your nightstand at all times, even as you’re adjusting your side of the bed. The base is also available in an “Upper-Flex” design that’s exclusively compatible with Saatva’s Solaire airbed. Upper-Flex bases do not have the wall-hugging technology.

Other features found on both standard and Upper-Flex models include anti-snoring and zero-gravity presets, under-bed lighting, and a thin bar at the foot of the bed to secure your mattress. A built-in wave massage can be programmed for head, leg, or full-body at three different speeds. Our team also found the base relatively quiet when in use.

Best Adjustable Bed and Mattress Bundle: Nectar Adjustable Bundle

Best Adjustable Bed and Mattress Bundle

8.5/10Test Lab Score

Nectar Adjustable Bundle

An all-inclusive sleep bundle at a terrific price.

Save up to 50% on mattresses + up to 66% on bundles Shop At Nectar

Price: $1,398

Mattress Type: Adjustable Bed

Firmness Options: Medium Firm (6)

Trial Period: 50 nights

If you’re hoping to revamp your sleep space and save some money in the process, the Nectar Adjustable Bundle is an all-inclusive package at a reasonable price. You’ll receive the Nectar Adjustable Bed Frame, a nectar foam or hybrid mattress of your choice, and a bedding set that includes sheets, pillows, and a mattress protector.

Notable Features

The Nectar Adjustable Bed Frame offers adjustable heat and foot positioning. You’ll receive a wireless remote with your bed that allows you to program presets and automatically adjust the base to zero-gravity. A dual-zone massage with three intensity settings can reduce pain and pressure points in sensitive areas after a long day. Other key features include USB ports on each side of the bed and legs that can be set to three different heights.

Nectar currently offers six mattresses to include in your bundle. The three all-foam models excel at motion isolation and pressure relief, and the Nectar Premier Copper is a standout for cooling. If you need some additional support from your mattress, we recommend opting for one of the Nectar hybrids instead. Keep in mind your bundle’s total cost depends on which mattress you choose. The sheets are composed of breathable rayon derived from bamboo, and the pillows contain solid memory foam.

Best Luxury: Nolah Ultimate Adjustable Smart Base

Best Luxury

Nolah Ultimate Adjustable Smart Base

30% off sitewide + extra $50 off with code: SF50 Shop At Nolah Sleep

Price: $1,399

Mattress Type: Adjustable Bed

Firmness Options:

Trial Period:

The Nolah Ultimate Adjustable Smart Base is made with advanced technological features to make your nightly routine more comfortable and convenient.

Notable Features

Designed to integrate with an app and pair with Amazon Alexa or Google Assistant, this adjustable smart base can be operated with either voice commands or a wireless remote, making position changes and feature activation easy.

Buyers can customize their wireless remote with three programmable positions, or they can use preset positions, like anti-snore, flat, and zero gravity, to enhance their sleep experience. Each user can choose their own individual settings for their side.

The smart base also offers a head and foot massage setting in three different intensities. The massage feature operates on dual-massage motors. Underneath the adjustable bed, soft lighting ensures that you don’t stub your toe when getting up and moving around at night. There are also multiple USB ports within reach of the bed’s head area to simplify device recharging.

Best for Seniors: Puffy Adjustable Base

Best for Seniors

8.5/10Test Lab Score

Puffy Adjustable Base

$300 off at Puffy Shop At Puffy

Price: $1,399

Mattress Type: Adjustable Bed

Firmness Options: N/A

Trial Period: 365 nights

Puffy’s Adjustable Base is a great option for people with persistent upper or lower back pain. The bed can be programmed for a wide range of positions, including zero-gravity for those who feel most comfortable with their legs elevated higher than their head.

Notable Features

Co-sleepers can independently adjust the massage function and sleeping position for each side of the bed. A wireless remote allows you to easily customize the bed to find a setting that is most comfortable. The base has two massage motors located at the head and foot of the bed with three speed settings. The underside of the bed has soft lights, so sleepers getting up in the middle of the night can find their way around the room without disturbing their partner.

Best for Back Pain: Tempur-Pedic TEMPUR-Ergo Extend Smart Base

Best for Back Pain

9.2/10Test Lab Score

Tempur-Pedic TEMPUR-Ergo Extend Smart Base

$2,549 from Tempur-Pedic (queen) Shop At Tempur-Pedic

Price: $2,549

Mattress Type: Adjustable Bed

Firmness Options: N/A

Trial Period: None

The TEMPUR-Ergo Extend Smart Base exemplifies the luxurious craftsmanship that many associate with Tempur-Pedic. Not only is the adjustable bed fully functional and equipped with features intended to help you sleep comfortably, but the base is also embedded with sensors to track your sleep cycle and nocturnal movements. You can access personal data using the Sleeptracker-AI companion app, which also offers sleep coaching programs to help you improve your sleep routine over time.

Notable Features

The TEMPUR-Ergo Extend is Tempur-Pedic’s most advanced adjustable bed in terms of features and functionality. You can elevate or lower your head and legs in order to sleep comfortably, and save your favorite position as a preset on the wireless remote. Additional presets automatically adjust the bed to the zero-gravity position, flatten the bed, and elevate the head for reading or watching television. If the built-in sensors detect snoring, the head will lift roughly 12 degrees to help expand your airway without waking you up.

The four-zone massage lets you target the head, legs, or both areas with three intensity levels. Additional features include USB ports on both sides for charging your devices at night and under-bed lighting to help you navigate your bedroom when the lights are out. You’ll need to download the Sleeptracker-AI app in order to access personal data, which includes total time asleep and awake, time spent in specific sleep cycle stages, and position changes. If you use a Hey Google or Amazon Echo in your residence, you can sync the TEMPUR-Ergo Extend to these devices and program it for voice-activated control. Lastly, the legs can be adjusted to four different heights or completely removed if you want the base to rest on your floor.

How to Choose a Split King Adjustable Bed

When choosing a split king adjustable bed, there are a few important factors to consider. Do you have two compatible twin XL mattresses to use with a split king base? If not, you’ll need to purchase them.

You’ll also need to consider the adjustable bed’s weight limit, assembly, your budget, and the warranty. The trial period may also be a factor in your decision.

What to Look for in an Adjustable Bed

While mattress shopping, be wary of advertisements referring to an adjustable bed as “perfect for any sleeper” or “the best on the market.” Instead, look for more concrete information about your potential purchase, including mattress compatibility, weight limit, assembly, price, and warranties.

Mattress Compatibility

Split king adjustable beds consist of two twin XL mattresses. Most twin XL mattresses are designed to work with adjustable beds. However, some bed types bend more readily than others, which is crucial to adjustability. We recommend using latex, memory foam, or hybrid mattresses because they’re typically the most flexible. If you plan to use mattresses you already own, make sure your adjustable bed can accommodate them.

Weight Limit

Refer to the weight limit before purchasing an adjustable bed to ensure that it’s strong enough for your needs. Remember to factor in both mattress weight and body weight. While most well-built adjustable beds can easily handle several hundred pounds, lower-end frames may be constructed with lightweight materials that aren’t as sturdy.

Assembly

Some adjustable bed models are more difficult to assemble than others. Mattress companies often recommend that at least two people assemble a base, due to its weight. Those who don’t want to assemble the bed themselves should consider buying from a company that includes White Glove delivery, which means they’ll set it up for you.

Price

The price for an adjustable bed typically falls somewhere between $1,000 and $3,000. However, some luxury models may have a higher price tag. Generally, the price is related to the materials used and the features included. Many retailers offer third-party financing for eligible shoppers concerned about paying the full price upfront.

Warranty

While many adjustable beds don’t include sleep trials, most of them do come with a warranty. Warranties for adjustable beds vary widely in length and coverage, especially for beds that have separate warranties for electrical components. Be sure to read the warranty details to familiarize yourself with the claim process before purchasing an adjustable base.

Problems with Split King Adjustable Beds

A split king adjustable bed can be beneficial to sleepers and couples in a number of ways, but there are a few disadvantages to keep in mind about these beds. Potential drawbacks for owners include:

• Expensive pricing: Split king mattresses tend to be more expensive than standard king size models, and the same holds true for adjustable beds. You may spend hundreds, if not thousands, of dollars more for a split king bed compared to a standard king.
• Limited availability: Many leading mattress manufacturers sell their models in split king designs, but this option is still somewhat rare compared to the six standard mattress sizes. Your ideal mattress may not be available in a split king, forcing you to settle for a less suitable model.
• Excessively large dimensions: Some bedrooms simply aren’t big enough to accommodate a split king adjustable bed. Make sure to measure the length and width of your bedroom’s floor space to ensure this size will fit.
• Additional bedding needed: You’ll need to invest in two sheet sets, one for each mattress. Twin XL size sheet sets are fairly common, but not as widely available as king size sets.
• Uneven sleep surface: Split kings have seams or trenches separating the two individual mattresses. This can make the mattress feel slightly uneven. Mattresses that are not properly anchored to their bed frame can move further apart when you or your partner move at night.

Split King vs. King Adjustable Beds

A king adjustable bed uses one king size mattress, while a split king adjustable bed uses two twin XL mattresses. This means that when you change a king size adjustable bed’s position, the entire bed moves.

The split king adjustable bed, however, uses two different mattresses and operates independently on each side, so sleep partners can customize the position, firmness level, and feel of their side of the mattress without affecting the other sleeper.

Optimize Your Experience

Because a split king bed is made up of two mattresses, people using it can enjoy an ergonomically designed bed made for their body type and preferred sleep position without worrying about potentially depriving a partner with different needs of a good night’s sleep.

Many split adjustable beds also come with unique features like anti-snore and zero gravity positions or USB ports for charging phones and tablets.

Tailor Each Mattress to Fit Individual Needs

Oftentimes, partners need different things from their beds, and couples can fine–tune a split adjustable bed just for them. For example, one person could be a side sleeper who needs more cushioning around the shoulders and hips, while their partner may be a stomach sleeper who requires a firmer feel to avoid sinking into the mattress at the midsection. In that case, the side sleeper could use a soft mattress topper or even a softer mattress on their side of the split king.

Luxury Features

Those seeking a split king adjustable bed have a variety of features to choose from, including programmable remote controls, silent motors, under-bed lights, and zero gravity settings. Some beds can even sync with a smartphone to provide biometric data and other information to sleepers, coaching them on how to get a good night’s sleep.

Still have questions?

Our product experts have extensive experience testing just about every sleep product on the market.

Send an email to AskAnExpert@sleepfoundation.org with your questions and we’ll help you find exactly what you’re looking for.