Mid Sleeper Beds A mid-sleeper's mattress is similar to a high sleeper, but it's lower and typically has a an easier ladder. These beds are great for small children or bedrooms with a limited space. Mid-sleepers have a variety of versatile design features including shelves, desks or even tents. Review https://www.bunkbedsstore.uk/products/panana-mid-sleeper-bunk-bed-in-white-wood