Think about it, why would you want a bed? Just put the mattress on the floor!
Given, there are a couple of cases where you’d want an actual bed, but those cases are very limited, and an average person should absolutely not buy a bed thus supporting the biggest scam in the history of humanity!
thanks for coming to my ted talk
Because you sleep on it. Everyone is loosing sweat each night, up to one liter as far as I know. Most of that sinks into the mattress.