Cabin Beds and Mid Sleepers If your little one wants to be a high sleeper, but isn't quite big enough for one, a middle sleeper is the perfect compromise. These beds are a bit lower than high-sleepers and come with a range of fun accessories to maximize the space underneath. https://www.bunkbedsstore.uk/products/metal-bunk-bed-gray-single-198-2x96-2x130-cm-black