Instruction: Extract information from the supporting document to answer the given question.

Input:
Question: box spring
Document: Actually, just go with an actual box spring.
Best local frame and box spring price was more than 2x this price!
It's awesome very sturdy. My wife and I both love it and it's very tall so no box spring needed.
It was Easy to set up as promised and so far, it works great! No need for a box spring.
It is much harder than a box spring, but then again it's not so squeaky and floppy. Depends on your mattress of course.
If you don't need a foundation/box spring for your mattress, this seems like a great buy.
This is an easy to assemble and affordable option for a box spring. This is my second one. No more box springs.
This frame is supportive and easy to set up. There is no need for a box spring when using this bed frame.
Great product. It is high if you use a box spring but I was expecting it based on other reviews.
All I had to do was put my queen size mattress on top of this foundation; no box spring needed.
Answer: I don't think you have to have a box spring but I put a mattress and boxspring on this and it is great!