Mid Sleeper Beds A mid-sleeper's mattress is similar to the high sleeper, however it's a little lower and has an easier ladder. These beds are great for children who are younger children or when your bedroom is small in space. Mid-sleepers have a variety of versatile design features including shelves, https://www.bunkbedsstore.uk/products/metal-bunk-bed-gray-single-198-2x96-2x130-cm-black