Team USA skateboarding bronze medalist Jagger Eaton is spilling the beans on the infamous cardboard beds at the Tokyo Games ... telling TMZ Sports they really did SUCK!!!
The beds in Olympic Village went viral leading up to the Games ... with many believing Airweave's design was meant to prevent athletes from getting freaky.
But the big question -- how on earth the things could actually supply enough comfort for world class athletes??
So, when Eaton returned from Tokyo on Tuesday, we had to ask about 'em .