Split Top Supports

Split Top Supports offer a range of options for shoppers exploring support solutions for their sleep space. Compare available styles, sizes and designs to find Split Top Supports that fit your bedroom setup and personal preferences.

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Sleepy's Deluxe Comfort Cool Mattress Protector

4249

Starting at

$189⁹⁹

Temperature
Allergies

Save $150 when you bundle¹⁰.

Sleepy's Basic Box Spring Foundation

10654

Starting at

$169⁹⁹

Sleepy's Universal Box Spring Foundation

6377

Starting at

$219⁹⁹

Sleepy's Deluxe Cool Stretch Sheet Set

Starting at

$179⁹⁹

Temperature
Allergies

Save $150 when you bundle¹⁰.

Stearns & Foster SX4 Box Spring Foundation

721

Starting at

$232⁵⁰

Beautyrest Black 24 Box Spring Foundation

258

Starting at

$250⁰⁰

Bedgear Dri-Tec Mattress Protector

152

Starting at

$209⁹⁹

Temperature
Allergies

Bedgear Ver-Tex Performance Mattress Protector

165

Starting at

$359⁹⁹

Temperature

Bedgear StretchWick Mattress Protector

158

Starting at

$139⁹⁹

Temperature
Allergies

Reverie Split Top Adjustable Base

123

Starting at

$1799⁰⁰

Sealy SX Box Spring Foundation

495

Starting at

$200⁰⁰

Sleepy's Signature Adjustable Base

Starting at

$1049⁹⁹

Save $299 with qualifying mattress purchase. Code: ELEVATE

Sealy Ease Adjustable Base

5115

Starting at

$949⁰⁰

Tempur-Pedic TEMPUR-Ergo 3.0 Adjustable Base

3783

Starting at

$1599⁰⁰

$1699⁰⁰

$100 OFF

Tempur-Pedic Charcoal Box Spring Foundation

1370

Starting at

$255⁰⁰

Tempur-Pedic TEMPUR-Ergo Smart Adjustable Base

1005

Starting at

$2699⁰⁰

$2899⁰⁰

$200 OFF

Calm app 3-month free trial with mattress purchase & registration

Sleepy's Elite Adjustable Base

1129

Starting at

$1199⁹⁹

Save $299 with qualifying mattress purchase. Code: ELEVATE

Beautyrest PressureSmart 2.0 Extra Firm 13.5" Mattress

2187

Starting at

$975⁰⁰

$1949⁹⁹

$975 OFF

Extra Firm Comfort, best for

Back, Stomach Sleepers
Temperature
Bed Partner
Pain
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sealy Posturepedic Elite Brenham II 16" Firm Euro Top Mattress

Starting at

$2019⁰⁰

$2219⁰⁰

$200 OFF

Firm Comfort, best for

Back Sleepers
Pain
Temperature
Allergies
Bed Partner
Toss and Turn

Receive $200 Instant Gift⁴ with purchase.

Kingsdown Wesley Collection Box Spring Foundation

Starting at

$375⁰⁰

Split top supports are designed to help create a more comfortable, stable sleep surface for beds with a divided upper section. They can be useful with split-head or split-top mattress setups, where each side of the bed may move independently near the head while remaining connected through the lower portion. This arrangement gives sleepers more flexibility to sit up for reading, watching television or enjoying a morning cup of coffee without raising the entire mattress. A supportive layer can also help fine-tune the feel of a mattress, especially when the surface seems too firm, lacks pressure relief or does not provide the even support you prefer. When comparing split top supports, start by confirming the size and configuration of your mattress and base. A split king, California King split setup or another divided design may require two separate pieces rather than one continuous layer, while a split-top design may need a support that accommodates the opening or separation near the head of the bed. Check the listed dimensions carefully, including thickness, because even a small difference can affect how neatly the support fits beneath fitted sheets and how easily the bed moves on an adjustable base. It is also worth considering the materials used in the support. Foam may provide a contouring feel that cushions the shoulders, hips and lower back, while fiber-filled or quilted materials can add a softer touch without changing the overall height as much. Some sleepers prefer a firmer, more buoyant surface that makes it easier to change positions, while others appreciate a plusher feel that settles gently around the body. A support should complement your existing mattress rather than mask a problem caused by an aging or damaged sleep system. Look for clear care instructions, breathable construction and a design that stays in place through regular movement. If you are unsure which configuration fits your bed, measure the mattress from edge to edge and head to foot, note whether the head section separates, and review the support requirements for your adjustable base before making a selection. For additional ways to adjust the feel of your sleep surface, explore Support Toppers.

Split top supports can be a practical choice for couples with different comfort preferences, sleepers who use an adjustable base and anyone who wants more flexibility at the head of the bed. One person may enjoy a slightly elevated position for reading or relaxing while the other keeps their side flat, helping each sleeper settle into a familiar routine without disturbing the other as much. They may also benefit people who spend extra time in bed during recovery, work from a laptop in an upright position or appreciate additional cushioning at common pressure points. Because the upper portions move separately, paying attention to fit is especially important. A support that is too wide, too long or not intended for a divided mattress may bunch at the center, interfere with movement or create an uneven transition between the two sides. The right choice should lie smoothly across its intended section and remain comfortable when the bed is flat as well as when the head is raised. Consider how you sleep most often, too. Side sleepers commonly look for gentle cushioning around the shoulders and hips, back sleepers may prefer balanced support that helps maintain a level feel from head to heel, and combination sleepers often do best with a responsive surface that does not make turning feel difficult. If you share the bed, think about motion and alignment across the center seam, along with whether both sides need the same level of cushioning. Split top supports can make thoughtful gifts for someone settling into a new adjustable bed, refreshing a guest room or creating a more comfortable bedroom for a parent or partner, provided you know the mattress size and setup. They can be particularly helpful during the cooler months, when layered bedding and extra time spent resting make surface comfort more noticeable, yet their value extends through every season. Keep bedding securely fitted, allow the support to air out according to its care directions and rotate or reposition it only when the manufacturer permits. A well-matched support can add comfort without requiring an entirely new bedroom setup, making it a simple way to personalize the bed and support better zzz's. At Mattress Firm, we make sleep easy™ by helping you compare the details that matter, from fit and feel to adjustability and everyday care.

What are split top supports? + -

Split top supports are bed foundations designed with separate sections near the head of the bed. This design can pair with compatible mattresses and adjustable bases while supporting a flexible bedroom setup.

How do split top supports differ from standard foundations? + -

Unlike a standard one-piece foundation, split top supports have independently separated upper sections. This construction can make it easier to coordinate a split sleep system with compatible bedroom furniture.

What types of mattresses work with split top supports? + -

Split top supports are generally designed for mattresses approved for use with that type of foundation or sleep system. Always review the mattress and support manufacturer's compatibility guidelines before combining products.

Can split top supports be used with an adjustable base? + -

Some split top supports are made to work with compatible adjustable bases, while others are intended for a specific foundation setup. Check the product specifications to confirm how the support is designed to be used.

What should I consider when choosing split top supports? + -

Consider the support's construction, compatibility with your mattress and base, the way its sections are divided and how it coordinates with your bedroom setup. Reviewing the product details can help you choose a support that fits your sleep system.