Double Mid Sleeper Bed For Adults A Double-mid-sleeper bed is an ideal option for those who are looking for the comfort and support of a large mattress, but don't require it. The double-mid-sleeper bed is popular with adults who don't require the same amount of support as a premium mattress. https://www.julietlarson.top/furniture/maximizing-space-and-style-the-ultimate-guide-to-bunk-bed/