INTELLIbed is the mattress that's state-of-the-art in every sense of the word. In introducing the new INTELLIbed collection, Mattress Firm is bringing a uniquely innovative mattress to the world of sleep technology. And it's not simply layers of foam—INTELLIbed is the world's only bed that is both soft and firm at the same time, with exclusive GelMatrix™ cushioning in every mattress.