Double Mid Sleeper Bed For Adults The Double mid sleeper mattress is a fantastic option for people who want the comfort of a queen-sized mattress but don't require the support. The double-mid-sleeper bed is popular with adults who don’t require the same amount of support as a high quality mattress. https://www.kristenlogan.uk/furniture/maximizing-space-and-style-a-guide-to-bunk-bed-for-your-home/