Do you have hardwood floors.
Sleepnumber using old box spring on the floor.
For beds and adjustable bases we recommend rubber caster cups to place underneath each bed leg.
If the slats on your bed frame are further than 2 inches apart we recommend laying a bunkie board inside your bed frame to create a solid surface for your sleep number mattress.
Box springs once had metal springs inside to absorb shock but today s box springs are more often made from wood or metal and consist of a hard sturdy box that sits under the mattress and supports it.
So why exactly can t you use your old box spring.
We recommend a solid surface platform bed or slats no more than 2 inches apart.
A traditional box spring won t work with a sleep number mattress.
All sleep number beds are standard bed sizes and are compatible with standard sized bedroom furniture.
Unless you ve recently purchased a bed you probably haven t been thinking a lot about box springs.
But you most likely have one or some other support feature under your mattress.
Hi george i urge you to replace the box spring regardless especially if what you have is 7 10 years old or older.
The sleep number mattress would come with a firm non yielding flat platform so if you do decide to use your current box spring you need to inspect it to be certain it s flat across with no soft flexible areas.
Using an existing frame.