Probably the best bed in the world

Sleep Number ® x12 bed is rated 2.875 out of 5 by 16.
Rated 5 out of 5 by from "Best bed in the world" is an understatement! We bought a Split King X12 bed and we couldn't be happier. I used to constantly have back pain sleeping on all sorts of beds/mattresses. On this bed, my back pain has gone. I love the Split King feature because now my wife and I can not only have different sleep numbers but also bed positions. Thank you Sleep Number!
Date published: 2016-01-08
Rated 1 out of 5 by from So Disappointed We have had this bed for several months and I do not sleep well. Have tried adjusting numbers and does not help. I am aching all night long and cannot get comfortable. It was so expensive and do not feel I can afford to purchase another bed. Really upset I also hate making this bed and the sheets are so expensive and so hard to make
Date published: 2015-11-19
Rated 1 out of 5 by from Doesn't work I bought this bed on 9-11-15. I paid 12,000 for it and it does not work. I have spent two Saturday's waiting for sleep number people to come and correct the problem and the base has not been replaced. It is hard as a rock because it is set on 100 and the remotes do not work to adjust the sleep number. They just give an error code for the base.
Date published: 2015-10-27
Rated 1 out of 5 by from Disappointed I have loved my sleep number bed. So much so, that I was willing to swallow the crazy price of the X12 and purchase a new bed. The bed is hard no matter what sleep number you choose. Both my husband and I are unable to feel a significant difference between a sleep number of 100 and 20. :( The massage feature is very loud and when lying down it makes an odd noise from inside the bed. I am hoping that the return will go smoothly.
Date published: 2015-10-19
Rated 1 out of 5 by from horrible for a marriage We have had this for 1 month. The half slit in the center, and the air compartments literally prevent u from sleeping close together, If you try to turn onto your side in the middle of the night, the bed will force you back into the center of your air compartment and wake you up. We will be returning the mattress this week.
Date published: 2015-10-13
Rated 1 out of 5 by from Great features, but not near as comfortable. Have the sales person explain the features and the potential that the bed may be harder regardless of the number you chose. Older Sleep number beds are a lot better.
Date published: 2015-10-08
Rated 5 out of 5 by from My Wife Loves this Bed After 20+ years with another premium bed, we bought the x12 and my wife is sleeping better than ever ... worth every cent
Date published: 2015-10-03
Rated 1 out of 5 by from Quality is terrible; it doesn't work When they set up our x12 yesterday, the base was broken; only one side moves. Also, it is MUCH taller than represented in the store. The model shown in the store was a normal height. The one we received sits WAY off the floor and is nearly three feet tall, even though we told the sales person that we needed a bed that sits low to the floor.
Date published: 2015-09-04
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Your Customized Bed

  • 14-inch profile features advanced comfort materials and layers of exceptional pressure-relieving memory foam
  • Features a FlexFit 3 adjustable base, allowing you to elevate the head and foot of your bed. Includes Partner Snore technology, under-bed lighting and massage
  • Voice control allows you to make adjustments with a few simple commands
  • Comes with two simple wireless remotes that remember you and your ideal support, and guide you to your Sleep Number® setting



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Due to the cost of doing business in California, Performance, Memory Foam and Innovation Series Twin and Full mattresses incur a $50 surcharge; Queen and King mattresses incur a $100 surcharge. The surcharge will be added in your shopping cart after you enter your shipping address. Picture may not represent options selected.