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Sleep Number® Bed Modular Base

Maximize the comfort and support of your Sleep Number® bed.

  • Made in the USA of durable, long-lasting material
  • Easy-to-move component design
  • Replaces a traditional box spring
  • Included in set pricing
Legs sold separately

    $249.99 - $449.99 $249.99 - $449.99
    Reg Price: $249.99 - $449.99
    Your Total Savings: $0.00
    Special Financing Available

    Questions? Call 1-888-411-2188


    Sleep Number® Bed Modular Base 

    Sleep Number® Bed Modular Base: Maximize Your Comfort and Support. Our extra-strong, durable Modular Base takes the place of a traditional box spring and won't sag or break down over time - it provides a firm, level surface that will last 20 years or more. Its unique component design makes it easy to move through narrow spaces and assemble in smaller rooms. Included in bed set pricing. Made in USA.Support your Sleep Number mattress and Modular Base with optional Modular Base Legs or a Rolling Bed Frame. Sleep Number Brackets let you connect your headboard and footboard to your Modular Base.

    Sleep Number ® Bed Modular Base 3.1 5 27 27
    Great Customer Service! The modular base on our Sleep Number bed broke after one year of use. It is made of heavy duty plastic and has hollow cross supports that the bed rests on. Two of our supports bent and deflected under the weight of the bed after a year. It happened slowly over time, resulting in a feeling that we were rolling to the middle. At first, we were concerned that the bed was not standing up. We were quite relieved when we looked and saw the issue with the base. We put the bed temporarily on a solid platform, and it is back to the great bed that it was. We called customer service, and Joy (who is a Sleep Number 65) ;-) was so incredibly helpful and did not hesitate to send us a new modular base. We'll have it in 7 days at no cost. We loved the bed. Now we love the customer service as well. July 30, 2014
    Best Customer Service I've had my sleep number bed for a few years and love it. I did notice recently that one of the legs was cracked so I contacted customer service. They said they would send some new legs and asked how the rest of the frame was. I hadn't noticed any problems but they said they would send a new frame as well. Problem solved! Thanks for such great customer service. July 30, 2014
    Best night sleep ever After years of sleeping on military cots I Absolutely love my sleep number, I talked so much about the beds comfort that my friends have gone out and purchased also. The customer service dept is outstanding keep up the great work!!! July 7, 2014
    Best Bed Ever!!! I have had my Sleep Number bed for over 4 years now and still love it as much as ever. It has helped my back pain and improved my sleep more than I thought possible. I bought it with the modular base, and have not encountered a single problem. The base is sturdy, supports a large amount of weight without sagging or making any noise at all. I have the modular base in my original metal bed frame and attached to my wooden headboard. Everything fits perfectly and works great. The modular base cover stays in place perfectly and the mattress never moves or has to be adjusted. When my Sleep Number bed mattress was lifted off the base so I could inspect the base, the modular base was in perfect like new condition, and I feel sure it will last many more years. I am extremely happy with both the mattress and the modular base. I would recommend to anyone! February 15, 2014
    Excellent Foundation! Solid as a rock. Reliable! This is easy to assemble and is as solid as a rock. And the foundation cover fits perfectly. I don't understand any of the reviews here that claim otherwise and can only imagine that these customers didn't assemble properly. It is sturdy and does't squeak like some metal foundations do when you roll around on the mattress. It was a breeze to assemble and has never presented any problems ever in over 4 yrs. I highly rec this product! February 4, 2014
    Bad!!! The pieces won't stay together and the covering won't stay on! I love the mattress but the base is terrible! January 15, 2014
    Modular Base Poor Quality We purchased the Queen p5(I believe) from QVC about 3 years ago and at the same time also the modular frame and legs. The bed is the best we have ever owned, and we have owned all of the mattresses available over the last 40 years. I am, however, sorely disappointed in the money we spent on the frame. We have had to prop up the center with coffee cans (which happen to be the right height), as the side -to -side support rail is bowing, and there is no way that we can see to fix this. This has been like this for almost 2 years, and now the other rails are doing the same thing. We are a couple in our early sixty's and the only ones ever on the bed. The supports, being molded plastic, do not seem strong enough for the intended job of supporting the mattress correctly, which as you say is very important. I am at my wits end and ready to have my husband build a platform base of wood, similar to a waterbed base so we don't ruin the mattress. I would never recommend this base to anyone. Save your money and build a solid wooden base for good support. January 12, 2014
    My husband and I noticed that our bed seemed to be sagging in the middle. Today I looked under the bed and saw that the cross brackets were sagging and broken in the middle. I was really upset at the thought of having to replace the base when the bed was expensive in the first place (but we love love love our Sleep Number bed). I used the customer service chat feature and explained the problem. They were happy to replace the base at no charge and it is being shipped. It was a stress-free interaction. Thanks, Select Comfort! November 29, 2013
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    (43 Questions : 42 Answers)

    Product Q&A

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    Modular base fo king bed

    If i order a king bed with the modular base, how many legs come with the order or do I need to order the legs separately?

    I have been told that they come with it at one store and another store informed me that I had to pay extra for the legs.
     
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    1 year, 9 months ago
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    David
    Dallas, TX, USA
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    Answer: 
    Hi David, my name is Alan and I work for Sleep Number. The modular base legs aren't included with the purchase of the mattress and modular base, but can be added on to the order. If you chose the King/California King size option and enter a quantity of "1" it will send you the set you need, which in this case is a set of 12. If you need more information about this, please use the link below to speak with a member of our Live Chat team who will be happy to assist you. Our Chat agents are available from 7:00 AM to 10:00 PM CT every day.

    http://bit.ly/SNChat
    1 year, 9 months ago
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    AlanS
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    What material is the base?

    I have a "Short" Queen Sleep Number bed.(60X75) And need a base for it. As Sleep Number only Makes a full-sized Queen Base.(60X80) I will have to cut it shorter, Will fiberglass bond to it?
    Age: 65 or over
    Gender: Male
    Owner: Yes
    Sleep Number: 50
    1 year, 9 months ago
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    Sandman
    Indiana, USA
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    Answer: 
    Hi Sandman, thanks for asking about the Modular Base! My name is Alan and I work for Sleep Number.

    We can't recommend cutting or modifying our bases in any way, as they are made to support you and the mattress as a whole unit. Altering the base could affect its ability to support your weight would void its warranty coverage.

    If you have further questions about this, you can contact our Customer Service department at 1-888-484-9263 (regular Hours(CST) M - F 8am - 6 pm, Sat 8:30am - 5pm).
    1 year, 8 months ago
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    AlanS
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    Can a modular base be bought to go with a pillow-top mattress?

    Age: 25 to 34
    Gender: Female
    Owner: No
    1 year, 8 months ago
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    Amanda
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    Answer: 
    Hi Amanda, thanks for asking about our Modular Base! My name is Alan and I work for Sleep Number.

    Our Modular Base is our version of a box spring, specially designed to support the Sleep Number bed, but can work as a platform base for any mattress. It is designed to easily fit into an existing frame, or have our legs attached if you do not currently own a frame.

    If you would like more information about our Modular Base, or how to purchase, please feel free to use the link below to speak with a member of our Live Chat team who will be happy to assist you. Our Chat agents are available from 7:00 AM to 10:00 PM CT every day.
    http://bit.ly/SNChat

    Have a great day, Amanda!
    1 year, 8 months ago
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    AlanS
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    Is there a headboard that will work with the modular base?

    I see headboards listed for the upholstered bases.
    Age: 45 to 54
    Gender: Male
    Owner: Yes
    Sleep Number: 70
    1 year, 6 months ago
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    Paul
    Colorado
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    Answer: 
    Hello, Paul! My name is Alan and I work for Sleep Number. I can gladly answer your question referring to our modular base.

    Any headboards, including all of our Upholstered Headboards, will work with our modular base. The headboards can be attached to your current bed frame that the modular base is sitting in, or if you do not have a frame, they can be attached directly to the base with our headboard mounting brackets.

    If you have any questions regarding the headboards or headboard brackets, please feel free to use the link below to speak with a member of our Live Chat team who will be happy to assist you. Our Chat agents are available from 7:00 AM to 10:00 PM CT every day.

    http://bit.ly/SNChat

    Have a great day!
    1 year, 6 months ago
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    AlanS
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    Is a low proflie base available?

    Our current bed is quite high. As we get older we are finding it more and more difficult to get in and out of. We were hoping for something in the 3 inch range. Thanks!
    1 year, 6 months ago
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    OLDEnSHORTER
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    Answer: 
    Hello, OldenShorter. My name is Alan and I work for Sleep Number. I can gladly answer your question referring to our Modular Base.

    Our Modular Base is a standard 8" in height, which is meant to replace the industry standard sized box spring. At the moment, we do not offer a low profile option for this base, but I would recommend contacting our Customer Service for other options.

    If you have any questions regarding our height options, please feel free to use the link below to speak with a member of our Live Chat team who will be happy to assist you. Our Chat agents are available from 7:00 AM to 10:00 PM CT every day.

    http://bit.ly/SNChat

    Have a great day!
    1 year, 6 months ago
    Customer avatar
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    AlanS
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    we have a modular base and king select comfort bed. they both sit low in our new bed and i was wondering how we can raise them up?
    Age: 35 to 44
    Owner: Yes
    Sleep Number: 30
    1 year, 5 months ago
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    jodi
    Memphis, TN, USA
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    Answer: 
    Hello, Jodi! My name is Andy and I work for Sleep Number. I can gladly answer your question referring to our Modular Base assembly.

    The Modular Bases cannot be stacked on top of other Modular Bases. They sit in either a standard frame or used with the Modular Base legs. If you are needing more height for the mattress, you can apply our longer Modular Base legs, but it is highly recommended that you do not stack the Modular Bases. They are not deigned to be stackable, and may result in structure instability.

    If you have any questions regarding increasing the height of your bed, please feel free to use the link below to speak with a member of our Live Chat team who will be happy to assist you. Our Chat agents are available from 7:00 AM to 11:00 PM CST every day.

    http://bit.ly/SNChat

    Have a great day!
    1 year, 5 months ago
    Customer avatar
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    Andy
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    I am considering order a base for use when camping with a foam mattress, but can't find any information on whether the cover is included with the base. If it's not, how can one be ordered?
    Age: 35 to 44
    Gender: Female
    Owner: Yes
    Sleep Number: 65
    1 year, 4 months ago
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    verymelm
    Arlington, VA, USA
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    Answer: 
    Hello, Verymelm! My name is Andy and I work for Sleep Number. I can gladly answer your question referring to our Modular Base.

    The white coverlet that matches the color of the mattress itself is included with the Modular Base. These coverlets are not sold separately.

    If you have any questions regarding our Modular Base, please feel free to use the link below to speak with a member of our Live Chat team who will be happy to assist you. Our Chat agents are available from 7:00 AM to 11:00 PM CST every day.

    http://bit.ly/SNChat

    Have a great day!
    1 year, 4 months ago
    Customer avatar
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    Andy
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    We currently use a split queen base, but it seems to be sagging underneath. It looks like the modular base may be a good solution but it needs to fit in our current bedroom set.
    Age: 45 to 54
    Gender: Female
    Owner: Yes
    Sleep Number: 25
    1 year, 4 months ago
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    Teeny
    Nebraska, USA
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    Answer: 
    Hello, Teeny! My name is Andy and I work for Sleep Number. I can gladly answer your question referring to our Modular Base.

    The bed sets include the mattress and Modular Base. The Modular Base is a box spring replacement, and made to industry standard box spring sizes. It will fit inside of any industry standard size bed and frame.

    If you have any questions regarding our bases, please feel free to use the link below to speak with a member of our Live Chat team who will be happy to assist you. Our Chat agents are available from 7:00 AM to 11:00 PM CST every day.

    http://bit.ly/SNChat

    Have a great day!
    1 year, 4 months ago
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    Andy
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    1 year, 4 months ago
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    Queenie
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    Answer: 
    Hello, Queenie! My name is Andy and I work for Sleep Number. I can gladly answer your question referring to our Modular Base.

    The Modular Base comes in many parts, which are easily assembled in your bedroom. The Queen size base includes 2 side rails, 6 support/end beams, and 4 deck panels. These are put together using pre-cut grooves in the pieces as well as locking pins.

    The number of pieces and size of these components will vary depending on the size of the bed you purchase.

    If you have any questions regarding our assembly, please feel free to use the link below to speak with a member of our Live Chat team who will be happy to assist you. Our Chat agents are available from 7:00 AM to 11:00 PM CST every day.

    http://bit.ly/SNChat

    Have a great day!
    1 year, 4 months ago
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    Andy
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    How will an expanded queen mattress fit on your queen base?

    I plan to replace my Olympic Queen mattress with your expanded queen mattress. I understand your queen modular base fits into my existing queen frame. How do you make it to fit 66" wide mattress?I heard that the sides of the base pull out to extend to 66" but how thick and study are the pull out sides?
    Can I use my existing base: queen box 60" wide and 4" thick and the board that is over it 66" w and 2" thick that originally converted my queen mattress to the Olympic Queen mattress 66x80, instead of your modular base?
    Age: 65 or over
    Gender: Female
    Owner: No
    1 year, 2 months ago
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    Confused
    Massachusetts, USA
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    Answer: 
    Hi Confused, thanks for giving me a chance to help you! The base we use with our Expanded Queen beds is a standard queen base with extension brackets attached to the four corners to support the larger deck panels we use for the Expanded Queen mattress. These brackets don't require the sides of the base to be pulled out, so it can handle the same weight and stresses our standard Queen beds can.

    Your second question is a bit trickier because it can be hard to say whether or not your current base will work without seeing pictures of what you have in your home right now. We highly recommend using our Modular base, which is our version of a standard box spring, with your Sleep Number mattress unless your current bed frame has a solid, flat, and non-slat bottom that can provide the consistent support our beds need to work properly. If you use our Modular base with your mattress our Expanded Queen bed will work with most standard metal bed frames, but may not be compatible with frames that have sides that extend more than an inch or two up the base.

    I really hope this information helps you, but it would still be a good idea for you to email a few pictures of your current bed frame to us at customerservcie@selectcomfort.com so we can confirm whether your current base will work or not. If you need anything else, please just copy the link below and paste it into your browser from 7 AM to 11 PM CT and we’ll be happy to assist you however we can.

    http://bit.ly/SNChat

    Have a great day!
    Age: 25 to 34
    Gender: Male
    Owner: Yes
    Sleep Number: 30
    1 year, 2 months ago
    Customer avatar
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    ChrisV
    Sleep Number
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