Casper Renew Split King Mattress with Head Up Only Base - Image 1
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Casper Renew Split King Mattress With Head Up Only Base

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SKU: 5910078P

Why Choose It - Casper
4.5 Million
4.5 Million

4.5 million happy sleepers and counting.

4 Out Of 5 Sleepers
4 Out Of 5 Sleepers

4 out of 5 sleepers recommend Casper to a family member.

88% of Customers
88% of Customers

88% of customers report improved sleep quality.

Casper : BTF Content
We Obsess Over Every Thread
We Obsess Over Every Thread

100+ product tests, 25 prototyping & testing machines and 1 ergonomist to ensure the best sleep humanly possible.

Easy Comfort
Easy Comfort

Casper tirelessly tests every foam and thread to ensure the best balance of comfort, support and cooling.

No Gimmicks
No Gimmicks

Every material that Casper uses must help sleep and must be tested. No fads, just thoughtful design crafted by sleep experts.

Built for uninterrupted rest with motion-absorbing foam layers and a flexible stretch cover that moves with you.Provides responsive support and adapts to any sleep position, with a touch of bounce to help reduce tossing and turning.Its Renew Flex Foam is a breathable, open-cell foam that promotes airflow and helps you wake up refreshed.Conveniently raise or lower the head of your mattress using the RTG Sleep 2900 adjustable base with wireless remote control.

SKU: 5910078P

Features

Adjustable / Foam

Collection

Casper Renew

Warranty

10 year limited warranty -

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20 year limited warranty -

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Q&A answers generated with AI assistance.

Is this foam mattress suitable for someone who lives in a warm climate or sleeps "hot"?

Absolutely. This mattress is engineered with Casper’s Renew Flex Foam, which features a breathable, open-cell structure designed specifically to promote airflow. Unlike traditional high-density foams that can trap heat, this open-cell design helps dissipate warmth, making it an excellent choice for shoppers in humid or southern climates who want to stay cool and refreshed throughout the night.


Does the adjustable base move both the head and the feet?

This specific model features a "Head Up Only" base. This design is focused on providing comfort for activities like reading, working on a laptop, or therapeutic elevation for breathing. It is a streamlined, low-profile option (only 4 inches high) that provides modern functionality without the added bulk of a full-articulation frame.


Is a split king mattress difficult to move into a home with narrow hallways or stairs?

One of the practical advantages of a split king setup—especially for urban apartment living or older homes with tight staircases—is its modular design. Because the bed is comprised of two separate Twin XL units, it is significantly easier to navigate through narrow doors and around sharp corners than a traditional, one-piece king mattress. Once in the room, the two bases and mattresses sit flush to create a standard 76" x 80" king surface.


Can this adjustable mattress help with health issues like snoring or acid reflux?

Yes, many sleepers find significant relief by using the "head-up" feature of the adjustable base. Elevating the upper body can help open airways to reduce snoring and uses gravity to prevent stomach acid from rising, which is a common recommendation for managing GERD or acid reflux. This set includes the RTG Sleep 2900 base, which allows you to find your ideal elevation angle quickly using the included wireless remote.


What kind of sheets are required for a split king adjustable bed?

To allow for independent movement of each side, a split king requires specific bedding. You will typically need a "Split King Sheet Set," which consists of two separate Twin XL fitted sheets and one shared King-sized flat sheet. Using deep-pocket sheets is highly recommended to ensure the corners remain securely tucked even when the head of the mattress is fully elevated.


What are the benefits of a split king mattress compared to a standard king?

A split king mattress is the ultimate solution for couples with different sleep schedules or comfort preferences. Because it consists of two separate mattresses, you can adjust the head of your side to read or watch TV without disturbing your partner. Furthermore, the motion-absorbing foam layers in this Casper mattress ensure that movement on one side doesn't transfer to the other, providing a truly individualized sleep experience.

80"l x 76"w x 10.50"h; adjustable base: 4"h