
Sleep Number mattresses are designed to work on a firm, completely solid base to provide proper support. While Sleep Number sells bases separately, you can use other bases with your Sleep Number mattress. However, it is important to ensure that the base is durable and strong to get the best benefits out of your Sleep Number mattress.
| Characteristics | Values |
|---|---|
| Use with other mattresses | Probably |
| Recommended base | Firm, completely solid base |
| Base types that are not recommended | Traditional box spring, bed frame with slats |
| Base types that are recommended | Platform bed, bunkie board |
| Sleep Number base types | FlexFit 1, FlexFit 2, Modular base, Integrated base |
| FlexFit 1 | Most basic adjustable base, allows you to raise the head of the bed |
| FlexFit 2 | Raise the head and foot of the bed, provide a "zero-gravity" feel, set a timer |
| Modular base | Extra firm and durable, made of rigid plastic, can last 25 years |
| Integrated base | Can be combined with a stylish frame or placed inside any standard-size bed frame with center support |
| Height without frame | 8" from floor to top of base |
| Height with frame | 17" from floor to top of base |
| Weight limit | 400 lbs per side |
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What You'll Learn

Sleep Number base types
Sleep Number bases are sold separately from the mattress. There are a few different types of Sleep Number bases available, each with different features and price points. Here are some of the options:
FlexFit™ 1
The FlexFit 1 is the most basic adjustable base offered by Sleep Number. It allows you to raise the head of the bed, which is convenient for reading or watching TV in bed. The price of the FlexFit 1 ranges from $999.99 for a Twin XL to $2,099.99 for a King.
FlexFit™ 2
The FlexFit 2 includes additional features on top of the FlexFit 1's capabilities. With this base, you can raise both the head and foot of the bed, and even gently raise your partner's head if they start snoring (available for FlexTop King and Split King sizes). The FlexFit 2 also provides a "zero-gravity" feel and allows you to set a timer for the bed to automatically return to your favourite sleeping position.
Modular Base
Sleep Number offers a modular base that serves as an alternative to a traditional box spring. It is made of rigid plastic and is designed to be extra firm and durable to support the weight of a Sleep Number mattress. The modular base starts at $199 and goes up to $399 for a King. You can also add legs to raise the bed and create more storage space for an additional cost of $80 to $159.99, depending on the size.
Integrated Base
The Sleep Number integrated base can be combined with a stylish frame or placed inside any standard-size bed frame with centre support. It has a height of 8" from the floor to the top of the base without a frame and 17" with the frame. The weight limit is 400 lbs per side. If you plan to attach a headboard directly to the integrated base and frame, you will need to use headboard brackets.
It's important to note that Sleep Number mattresses are designed to work on a firm, completely solid base. While you can use certain third-party bases with your Sleep Number mattress, traditional box springs and bed frames with large gaps between slats are not recommended as they may not provide sufficient support and could damage the mattress.
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Using a Sleep Number mattress with a non-Sleep Number base
Sleep Number mattresses are designed to work on a firm, completely solid base. Sleep Number sells bases separately, including the FlexFit 1 and FlexFit 2, which offer varying levels of adjustability. However, you are not required to purchase a Sleep Number base. If you choose to use a different base, ensure it has a firm and non-spring foundation, such as a platform bed or a bunkie board.
Platform beds are a sturdy and versatile option that can support almost any type of mattress. They feature a frame made from wood or metal, with wooden or metal beams placed across the surface. The more beams a platform bed has, the more support it provides. Most platform beds will have space between the support beams or wooden slats to accommodate the air tubes of a Sleep Number mattress.
If you opt for a bunkie board, place it on top of the slats in your existing bed frame to create a durable, flat surface for your Sleep Number mattress. Ensure that the slats on your bed frame are no more than 2 inches apart.
While Sleep Number does offer recommendations for other types of bases to use with their mattresses, avoid using a traditional box spring base or a bed frame with slats, as these may not provide sufficient support and could damage your mattress.
Additionally, consider the dimensions of your bed frame and mattress. Sleep Number mattress dimensions may vary, including slight expansion over time, and your chosen base should accommodate these changes. Measure your furniture before your Sleep Number mattress arrives to ensure a proper fit.
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Sleep Number mattress requirements
Sleep Number mattresses are designed to work on a firm, completely solid base to provide proper support. The company offers a range of bases that can be purchased alongside your mattress, such as the FlexFit 1 and FlexFit 2, which offer adjustable features like raising the head or both the head and foot of the bed. The bases are sold separately and can increase the cost of your bed substantially. Sleep Number bases are designed to fit inside any standard-size bed frame with centre support.
While a Sleep Number base is not mandatory, the company does provide recommendations for other types of bases that will adequately support your mattress. It is important to note that a traditional box spring will not work with a Sleep Number mattress, and a bed frame with slats is also not recommended as they do not provide enough support and may damage the mattress.
If you choose not to purchase a Sleep Number base, ensure that your existing bed frame or new bed frame purchase has a firm and non-spring foundation. Platform beds are a great option as they are sturdy, versatile, and can support almost any type of mattress. If you opt for a platform bed, ensure that the slats are not more than 2 inches apart, and consider adding a bunkie board on top of the slats to create a durable, flat surface for your Sleep Number mattress.
Additionally, consider the weight and dimensions of your mattress when selecting a base or bed frame. Sleep Number mattresses can weigh between 37 to 120 pounds, and their dimensions may vary, including slight expansion over time. Therefore, it is crucial to measure your furniture before your bed arrives to ensure compatibility with your chosen base.
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Sleep Number base specifications
Sleep Number bases are sold separately from the mattresses. The bases provide a firm and solid foundation for the mattress, which is necessary for the mattress to provide proper support. The Sleep Number base can be combined with a custom stylish frame or placed inside any standard-size bed frame with centre support. The height of the base without a frame is 8" from the floor to the top of the base, and the height with the frame is 17". The weight limit is 400 lbs per side. Headboard brackets are required if you plan to attach a headboard.
Sleep Number offers a few different types of bases. The FlexFit 1 is the most basic adjustable base, allowing you to raise the head of the bed. The FlexFit 2 is a more advanced version, allowing you to raise both the head and foot of the bed, and providing a "zero-gravity" feel. The FlexFit base fits inside most standard furniture, except platform furniture or furniture with under-bed storage.
Sleep Number also offers a modular base that takes the place of a normal box spring. It is extra firm and durable, made of rigid plastic, and can last for 25 years. The modular base starts at $199 and goes up to $399 for a King.
Sleep Number mattresses can also be used with some other types of bases, as long as they provide a firm and solid foundation. Platform beds, for example, can be a good option as they are sturdy and versatile, and can support almost any type of mattress. However, a traditional box spring will not work with a Sleep Number mattress, as it does not provide enough support and may damage the mattress.
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Sleep Number modular base with a regular mattress
Sleep Number modular bases are designed to be used with Sleep Number mattresses, which require a solid foundation with space for air tubes. These bases are extra firm and durable to hold the weight of a Sleep Number mattress, which can range from 37 to 120 pounds depending on the model and size. Sleep Number claims that their mattresses are designed to work on a firm, completely solid base to provide proper support.
The Sleep Number modular base can be placed inside any standard-size bed frame with centre support. The height without an optional frame is 8" from the floor to the top of the base, and 17" with the frame. The weight limit is 400 lbs per side. If you plan to attach a headboard directly to the base and frame, you will need headboard brackets.
Sleep Number also provides a modular base that takes the place of a normal box spring. These bases start at $199 and go up to $399 for a King. You can add legs, which will raise the bed and allow for more storage space, for an additional cost of $80 to $159.99, depending on size.
While it is not recommended, it may be possible to use a Sleep Number modular base with a regular mattress. One user on Reddit reported doing so without issue, as long as the base was in good shape and solid. However, it is important to note that this may void the warranty on your mattress, and it is always best to check with the mattress manufacturer to see what type of base is recommended.
Additionally, it is worth noting that Sleep Number mattresses are designed to work on a firm, completely solid base, and a traditional box spring will not work with a Sleep Number mattress. If you are using a bed frame with slats, the slats should not be further than 2 inches apart, and you may need to lay a bunkie board on top of the slats to create a durable, flat surface to support your mattress.
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Frequently asked questions
Yes, you can. Sleep Number bases can be purchased alongside your mattress and are also sold separately. The Sleep Number integrated base can be placed inside any standard-size bed frame with center support.
Yes, you can. Sleep Number mattresses are designed to work on a firm, completely solid base to provide proper support. If you’re not buying a base from Sleep Number, ensure that your foundation has a firm and non-spring foundation.
Sleep Number mattresses are not recommended for use with a bed frame with slats or a traditional box spring base since these don't provide enough support and you risk damaging the mattress.










































