How Much Is a Sleep Number Bed King Size? A Clear Price & Features FAQ
If you’re searching for “How Much Is a Sleep Number Bed King Size”, you’re usually trying to understand not only the price range, but also what actually affects that price: model, features, base options, and add-ons. This FAQ-style guide walks through those factors in simple, neutral terms so you can better estimate what a king-size adjustable air bed from a major brand might cost.
What does “king size” mean for this type of adjustable air bed?
A king size in this category usually refers to a standard king mattress measuring about 76" x 80". Many brands also offer:
- California king (narrower and longer)
- Split king (two separate sides that can be adjusted independently)
When asking “How Much Is a Sleep Number Bed King Size”, the answer can differ significantly if you are looking at a standard king versus a split king or a model with extra adjustability features.
How much is a Sleep Number bed king size on average?
Prices change over time and vary by model, but you can think in terms of broad ranges for a king-size adjustable air mattress from a well-known brand:
- Entry-level king models: typically in the lower price tier for this category, often similar to many mid-range traditional mattresses.
- Mid-range king models: usually higher, reflecting extra features like thicker comfort layers or more responsive air technology.
- Premium king models: the highest prices, often including advanced pressure relief designs, more precise firmness adjustments, or integrated tech features.
Because prices can shift and promotions are common, any specific number may quickly become outdated. Instead, it helps to think of the base mattress as one cost, with bases and accessories as additional line items.
What factors make a king-size adjustable air bed more or less expensive?
Several elements influence how much a Sleep Number bed king size costs:
1. Model tier
Different model families are aimed at different budgets. As you move up tiers, you may see:
- Thicker or more complex comfort layers
- More zones of support or contouring
- Added design details and upgraded materials
2. Air system and adjustability
All models in this category rely on adjustable air chambers, but higher-priced designs may offer:
- Finer increments of firmness adjustment
- Additional customization for different parts of the body
- More advanced controllers or app-based controls
3. Size variation (King vs. Split King)
A standard king typically costs less than a split king, because a split configuration involves:
- Two separate mattress halves
- Additional components to allow each side to function independently
If you’re wondering “How Much Is a Sleep Number Bed King Size” and you are considering split options, expect the split versions to sit higher in the price spectrum.
4. Base and foundation choices
The mattress alone is one cost; the base is another. Options may include:
- Simple platform or foundation
- Adjustable base that raises the head and/or feet
- Split adjustable bases for independent side control
More adjustable and more complex bases tend to add significantly to the total price.
5. Accessories and extras
Optional items can also affect the final figure, such as:
- Branded pillows
- Mattress protectors or toppers
- Sheets sized for split or adjustable bases
These are not required, but they often appear in package pricing.
Typical cost components for a king-size setup
Here is a simple way to think about how the overall cost might break down:
| Component | How it affects price |
|---|---|
| King mattress (entry vs. premium) | Largest single cost driver |
| Standard foundation | Smaller additional cost |
| Adjustable base | Moderate to major added cost |
| Split configuration | Raises mattress & base cost |
| Accessories (pillows, sheets) | Extra, usually optional |
Why do some king models cost much more than others?
When shoppers ask “How Much Is a Sleep Number Bed King Size”, they often notice a wide gap between low and high ends. The larger price differences usually come from:
- More sophisticated comfort systems: multi-layer foams, gel infusions, or zoning.
- Advanced adjustability: more precise control of firmness or multi-zone settings.
- Integrated technology: some models may pair air adjustment with digital tracking or smart features.
- Overall construction quality: thicker profiles and more complex builds generally increase production costs.
For many buyers, the key question becomes whether they value the extra adjustability or comfort features enough to justify the higher price tier.
How can I estimate my total cost for a king-size setup?
A practical way to estimate:
- Choose the model family that seems closest to your comfort preferences and budget.
- Decide whether you want a standard king or split king.
- Add the cost of the mattress only in that size.
- Decide if you need a basic foundation or adjustable base, then add that cost.
- Finally, consider whether you actually need brand-specific accessories or if you will use your existing ones.
By separating the purchase into these parts, it becomes easier to answer for yourself, in concrete terms, how much a Sleep Number bed king size will be for your specific setup rather than in general.
✔️ Quick Mattress Takeaways
Key points consumers should understand about “How Much Is a Sleep Number Bed King Size”
- The mattress price varies by model tier, from more basic king options to premium designs with extra features.
- A split king usually costs more than a standard king, due to additional components and dual adjustability.
- The base is a major part of the total cost: a simple foundation adds a little, while an adjustable base can add a lot.
- Accessories are optional and can be included or skipped to match your budget.
- To get a realistic personal estimate, separate the cost of the king mattress, base, and extras rather than focusing on a single “all-in” number.
With these pieces in mind, you can better understand the price landscape and make sense of different offers when you look into how much a Sleep Number bed king size is for your own needs and preferences.

