Sealy Posturepedic Orchardside Split King Mattress With Head Up Only Base
SKU: 5912918P
The Sealy Posturepedic Plus Orchardside Firm EPT mattress delivers pressure-relieving comfort to help maintain natural body alignment and reduce nagging Bed Aches night after night. The orthopedic-inspired Posturepedic Plus Support System features exclusive PrecisionFit Coils, arranged right where you need them. Plus, the DuraFlex Coil Edge provides a reinforced solid surface that's built to last. Conveniently raise or lower the head of your mattress using the RTG Sleep 2900 adjustable base with wireless remote control.
Features
Adjustable / Innerspring
Collection
Orchardside
Warranty
10 year limited warranty -
Code P3 - 10/10 -
View Warranty20 year limited warranty -
Code P3 - 10/10 -
View WarrantyQ&A answers generated with AI assistance.
What type of bedding is required for a split king mattress set?
For a split king, you will need two Twin XL fitted sheets (one for each side) to allow the mattresses to move independently. You can then use a standard King-sized flat sheet, duvet, or comforter to cover the entire bed for a unified look. We recommend choosing fitted sheets with deep pockets and strong elastic borders to ensure they stay securely in place as you adjust the base.
Is this split king setup suitable for smaller bedrooms or apartments?
While the assembled dimensions are 80"L x 76"W (the footprint of a standard King), the split design makes it significantly easier to maneuver through tight hallways, elevators, or narrow stairwells typical of urban apartment living. Additionally, the low-profile 4-inch RTG Sleep 2900 base provides a modern, streamlined look that prevents the bed from over-occupying the room's visual space.
Is an innerspring mattress durable enough to be used with an adjustable base?
This mattress is specifically engineered for compatibility with adjustable technology. It features Sealy’s Posturepedic Plus Support System with PrecisionFit Coils, which are designed to flex and articulate without compromising the mattress's structural integrity. This allows you to enjoy the traditional, responsive feel of an innerspring mattress while taking full advantage of the custom positioning offered by the adjustable base.
What are the primary benefits of a split king mattress compared to a standard king?
A split king is the ultimate sleep solution for couples with different schedules or comfort preferences. Because it consists of two separate mattresses and bases, one partner can elevate the head of their side to read or manage snoring without disturbing the other. This configuration also offers superior motion isolation; since the surfaces are physically separate, you won't feel your partner tossing and turning during the night.
Does this mattress provide stable support when sitting on the edge?
Yes. This mattress is constructed with the DuraFlex Coil Edge, a reinforced border of high-density coils. This design provides a solid, supportive seating surface and prevents the "roll-off" feeling common in lesser mattresses. Based on our expertise, this reinforced edge also extends the usable sleep surface, allowing you to sleep comfortably right up to the edge of the bed.
Is this mattress set a good choice for people with chronic back pain?
This mattress is an excellent choice for back support, featuring an orthopedic-inspired design that targets the heaviest part of your body. The combination of PrecisionFit Coils and a firm pillow top delivers pressure-relieving comfort while maintaining natural spinal alignment. By using the adjustable base to slightly elevate the head, you can further reduce pressure on the lower back, a technique often used to alleviate nagging "bed aches."
How does the "head up only" adjustable base help with sleep-related health issues?
The included RTG Sleep 2900 adjustable base allows you to elevate the head of the mattress using a wireless remote. This is an expert-recommended feature for those seeking relief from acid reflux (GERD) or sleep apnea, as sleeping at a slight incline uses gravity to keep airways open and prevent stomach acid from rising. It is also a highly effective way to reduce snoring for a quieter sleeping environment.
80"l x 76"w x 15"h; adjustable base: 4"h

