Tempur Pedic Bed Mattress - Worth The Hype?
https://www.goodreads.com/topic/show/20024437-twin-bed-vs-young-child-bed-which-will-work-best-for-your-child
There are several covers that can be used on a futon mattress. However these questions might provide you the self-confidence you require in deciding. It's simply one more method to live healthier.