Mid Sleeper Beds A bed that sleeps mid-sleep is similar to a high-sleeper but with a lower elevation and usually with a shorter ladder or staircase. These beds are great for small children or bedrooms with limited space. Mid-sleepers are available with a range of design features, such as shelves, https://www.bunkbedsstore.uk/products/children-s-pine-bunk-bed-3ft-single-heavy-duty