The highest bed will look like a standard mattress. As well as bottom mattress will cover inside a drawer on the mattress frame. Just slide the drawer open up when you need a second bed, and slide it shut if you don’t. Pull-out sofa mattress - sofa with sleeping purpose https://emilianodqiwg.blogadvize.com/38064876/bunk-beds-with-stairs-and-storage-no-further-a-mystery