Beautyrest Black Series Three Plush Pillowtop Split King Mattress Set With Head Up Only Base
SKU: 5913722P
Experience extraordinary sleep at the intersection of luxury and innovation with the Beautyrest Black Collection's premier materials and advanced sleep technology. Plus, for an even more luxurious upgrade, Series Three Pillow Top models feature exclusive 2K Nano Coils for enhanced, individualized support throughout the night. Triple-Stranded Pocketed Coil Technology offers our highest level of individualized support and motion separation, so you can rest undisturbed. A layer of specialized foam is quilted into the sleep surface for exceptional pressure relief. A premium memory foam layer, infused with diamond particles, is designed to help move heat away from the body for a cool sleep. Ventilated latex layer maximizes airflow and provides advanced pressure relief. A layer of 2K Nano Coils enhances conformability for increased, individualized support All foams are CertiPUR-US certified. Our mattresses are proudly assembled in the USA. Conveniently raise or lower the head of your mattress using the RTG Sleep 2900 adjustable base with wireless remote control.
Features
Adjustable / Innerspring
Collection
Series Three Plush Pillow Top
Q&A answers generated with AI assistance.
How does the head-up adjustable base assist with health concerns like snoring or acid reflux?
Elevating the torso is a proven method to help alleviate common sleep issues. The RTG Sleep 2900 base allows you to easily raise the head of the mattress with a wireless remote. By maintaining an inclined position, you can help open airways to reduce snoring and use gravity to prevent stomach acid from rising, which is often recommended for those managing GERD or acid reflux.
How does the cooling technology in this mattress manage body heat in warmer climates?
This mattress is engineered with advanced temperature regulation, which is particularly beneficial in humid or warm coastal climates. It features a premium memory foam layer infused with actual diamond particles, which act as a conductor to pull heat away from the body. This is complemented by a ventilated latex layer that maximizes airflow throughout the mattress, maintaining a consistently cool sleep surface.
What is the benefit of the 2K Nano Coils found in the Series Three models?
As a premier upgrade in the Beautyrest Black collection, the 2K Nano Coils work in tandem with the Triple-Stranded Pocketed Coil Technology to provide a higher level of individualized support. These micro-coils are designed to enhance conformability, precisely contouring to your body's unique shape to provide pressure relief exactly where you need it most while maintaining the mattress's structural integrity.
What are the primary benefits of choosing a split king mattress set for couples?
A split king configuration offers the ultimate solution for partners with different sleep habits. Because it consists of two separate Twin XL units, this mattress set provides exceptional motion separation, ensuring that one person's movement doesn't disturb the other. Furthermore, the included head-up adjustable bases allow each sleeper to customize their elevation independently, so one partner can sit up to read while the other sleeps flat.
Is a plush pillowtop mattress like this one supportive enough for side sleepers?
Yes, this mattress is an excellent choice for side sleepers who require significant pressure relief at the shoulders and hips. The "Plush" comfort level, combined with a specialized foam layer quilted into the pillowtop, allows the mattress to cradle the body's curves. The underlying 2K Nano Coils ensure that while the surface is soft and inviting, your spine remains properly aligned throughout the night.
What type of bedding is required for an adjustable split king set?
To allow for independent movement of the adjustable bases, you will need "Split King" sheet sets. These typically include two separate Twin XL fitted sheets to cover each mattress individually, along with a single King-size flat sheet and two King pillowcases. Using deep-pocket fitted sheets is highly recommended to ensure the corners stay secure when the head of the mattress is elevated.
Will this mattress and adjustable base set fit inside my existing king-size bed frame?
This set is designed with standard King dimensions (76"w x 80"l), making it compatible with most modern king-size bed frames. However, with a combined height of nearly 21 inches (16.75" mattress plus a 4" adjustable base), it creates a very high-profile sleep system. We recommend measuring your headboard height and ensuring your frame can accommodate the 4-inch low-profile adjustable base to achieve your desired aesthetic and ease of entry.
80"l x 76"w x 16.75"h; adjustable base: 4"h

