Mid Sleeper Beds A mid-sleeper's mattress is similar to a high sleeper, but it's lower and typically has a a shorter ladder. These are perfect for young children or bedrooms with limited space. Mid-sleepers are equipped with a variety of design options such as desks, shelves or even tents. Look https://www.bunkbedsstore.uk/products/white-wooden-mid-sleeper-bunk-bed-noa-nani