Mid Sleeper Beds A mid-sleeper's mattress is similar to a high sleeper, however it's lower and typically has a shorter ladders. They are ideal for smaller children or if your bedroom has limited space. Mid-sleepers come with a range of design features, such as shelves, desks and even tents. Review https://www.bunkbedsstore.uk/products/panana-bunk-bed-with-slide-and-ladder-grey