
Sleep Number Corporation is an American manufacturer that makes the Sleep Number and Comfortaire beds, bedding accessories, and foundations. The company was previously known as Select Comfort, which was founded in 1987 by Robert Walker and his wife, JoAnne Walker. Sleep Number beds are made with air chambers that inflate or deflate based on the desired level of support. The Sleep Number setting adjusts the firmness or softness of the mattress using air pressure, with higher numbers denoting higher pressure and more firmness, and lower numbers denoting less pressure and more softness. The number of layers of foam cushion and their thickness will also affect one's sleep comfort and, ultimately, their preferred Sleep Number.
| Characteristics | Values |
|---|---|
| Company | Sleep Number Corporation |
| Headquarters | Minneapolis, Minnesota |
| Manufacturing and distribution facilities | South Carolina and Utah |
| Product | Sleep Number and Comfortaire beds, foundations, and bedding accessories |
| Sleep Number Setting | Adjusts the firmness or softness of the mattress |
| Number Range | 0–100 |
| 0 | Softest bed |
| 100 | Firmest bed |
| Common Sleep Number | 35–40 |
| DualAir Technology | Allows separate adjustments for each partner |
| Sleep Number Models | C-2, i8, I-10 |
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What You'll Learn

Sleep Number beds are adjustable
Sleep Number beds are designed to provide adjustable and customized comfort for sleepers. The beds are made with air chambers that inflate or deflate based on the desired level of support, with a number ranging from 0 to 100 corresponding to the level of support. The higher the number, the firmer the bed, and the lower the number, the softer the bed. Sleep Number's latest line of beds, the 360 Smart Bed, was launched in 2017 and features Dual Adjustability, allowing for adjustable comfort and firmness on each side of the bed.
The Sleep Number setting is determined by what feels most comfortable to the sleeper. Sleep Number recommends allowing a few nights to adjust to a new setting and then adjusting the number up or down by five if needed. The number of foam layers and their thickness and density will also affect sleep comfort and the chosen Sleep Number setting. For example, the basic C-2 model has no foam layer between the air chamber and the mattress, while the I-10 model has several foam layers, including a memory foam option.
The adjustability of Sleep Number beds is particularly beneficial for couples with different preferences for mattress firmness. With DualAir technology, each person can adjust their side of the bed to their preferred Sleep Number setting without compromising their partner's comfort. This feature ensures that each sleeper can find their ideal level of cushion and support, even if their preferences differ from their partner's or change over time.
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Higher numbers mean more firmness
Sleep Number beds are designed with adjustable and customized comfort in mind. The Sleep Number is a setting that adjusts the firmness or softness of the mattress using air pressure. The number ranges from 0 to 100, with 0 being the softest and 100 being the firmest. Thus, higher numbers mean more firmness.
The Sleep Number bed uses air chambers (also known as air bladders) that inflate or deflate based on the desired level of support. The higher the number, the more air is in the air chamber, resulting in a firmer mattress. Conversely, a lower Sleep Number setting will result in less air in the air chamber and a softer bed.
The thickness and density of the foam layers on top of the air chamber also affect the overall comfort and firmness of the bed. The i8 model, for example, is one of Sleep Number's higher-end mattresses known for its comfort and breathability. It has several foam layers, including a memory foam option. The C-2 model, on the other hand, has no foam layer between the air chamber and the mattress, resulting in a firmer feel.
The ideal Sleep Number setting ultimately depends on individual preferences. Sleep Number recommends allowing a few nights to adjust to a particular setting and then making adjustments as needed. For example, if someone prefers a firmer mattress, they can increase their Sleep Number by 5 to 10 increments until they find their desired level of firmness.
In summary, higher numbers on a Sleep Number bed indicate increased firmness due to the corresponding increase in air pressure and the potential for additional foam layers. The ability to customize the firmness level allows users to find their preferred level of support and comfort.
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Lower numbers mean softer beds
Sleep Number beds are designed with adjustable and customizable comfort in mind. The Sleep Number is a setting that adjusts the firmness or softness of the mattress using air pressure. The number ranges from 0 to 100, with 0 being the softest bed and 100 being the firmest. Lower numbers mean softer beds, while higher numbers mean firmer beds.
The Sleep Number bed uses air chambers, sometimes called air bladders, that inflate or deflate based on the desired level of support. The amount of air in the air chamber determines the firmness or softness of the mattress. Lower numbers correspond to less air in the air chamber, resulting in a softer mattress. This is ideal for those who prefer a more cushioned sleeping surface.
The level of softness or firmness can be customized to each individual's preference. The Sleep Number setting is ultimately determined by what feels most comfortable to the user. Those who prefer firmer beds will likely have a higher Sleep Number, while those who like more cushion will have a lower number. It is recommended to spend a few nights with a particular setting before making adjustments to find the perfect level of comfort.
The Sleep Number beds also come with DualAir technology, allowing partners to adjust their side of the bed to their preferred Sleep Number setting without compromising each other's comfort. This feature ensures that each person can customize their sleeping experience according to their unique preferences. The number of foam layers and their thickness and density will also impact the overall feel of the mattress and influence an individual's preferred Sleep Number setting.
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The most basic model is the C-2
Sleep Number is an American manufacturer that creates adjustable air-supported sleep systems. The Sleep Number setting allows users to adjust the firmness or softness of the mattress using air pressure. The higher the number, the more air/firmer the bed will be, and the lower the number, the softer the bed will be. The Sleep Number is based on personal preference and comfort.
The C-2 model is part of the Classic Series and offers strong support. It includes features such as Partner Snore, under-bed lighting, smart device control, and Zero Gravity. The bed allows for dual adjustability, meaning that each side of the bed can be adjusted for firmness and support according to individual preferences.
While the C-2 model provides strong support, some reviewers found it to be too firm. To adjust the firmness, some people opted to purchase a separate mattress topper or pad to add additional cushioning. This is especially useful for side sleepers who may prefer a softer sleeping surface.
Overall, the C-2 model by Sleep Number is a budget-friendly option that provides strong support and adjustability for personalized comfort.
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The i8 is a higher-end mattress
Sleep Number is an American manufacturer that creates mattresses with adjustable and customised comfort in mind. The Sleep Number setting allows users to adjust the firmness or softness of the mattress using air pressure. The number ranges from 0 to 100, with higher numbers denoting higher pressure and more firmness, and lower numbers denoting less pressure and more softness. The Sleep Number 360 p5 is part of the company's Performance Series, offering comfort, support and adjustability.
The i8 is one of Sleep Number's higher-end mattresses, providing both comfort and breathability. It is the second most expensive model, behind the i10, and is made from some kind of polyester with "quilting foam". The i8 offers adjustable comfort and firmness on each side, responding to your movements and automatically adjusting the firmness. It also includes features such as Partner Snore, under-bed lighting, and smart device control. The mattress has received positive reviews, with some users noting that it provided relief from back and hip pain. The i8 is available in various sizes, including Twin, Twin XL, Full, Queen, King, and Cal King, with prices ranging from $2,399 to $5,999.
The Sleep Number setting is determined by what feels most comfortable to the individual. Sleep Number recommends allowing a few nights to adjust to the number and making adjustments of 5 up or down if needed. The most common Sleep Number is in the 35-40 range, which provides a balance of support and pressure relief for most people. However, the ideal Sleep Number can vary depending on personal preferences and circumstances, such as sleeping position and any health conditions.
Overall, the i8 mattress from Sleep Number offers a premium experience with its customisable comfort, smart features, and positive reviews for improving sleep quality and relieving pain. The higher price tag may be a consideration for some, but as the saying goes, investing in quality sleep is like buying good tires for your car.
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Frequently asked questions
Sleep Number is an American manufacturer of mattresses that allow for adjustable comfort and firmness on each side of the bed. The Sleep Number is a setting that ranges from 0 to 100, with higher numbers denoting higher pressure and a firmer mattress, and lower numbers denoting less pressure and a softer mattress.
Your Sleep Number setting is determined by what feels most comfortable to you. You can visit a Sleep Number store and work with a Sales Representative to identify your ideal setting, or you can find your number at home using your Sleep Number bed and the remote that comes with it.
According to Sleep Number representatives, the most common Sleep Number is somewhere in the 35-40 range. However, the ideal Sleep Number is based on personal preference and what is most comfortable for each individual.





















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