Midi Bed With Storage These mid sleepers with storage are a great multifunctional piece for kids' bedrooms. These beds with a low-profile are made from the standard UK single mattress and put with plenty of storage beneath the mattress. Many come with a pull-out trundle, perfect for sleepovers. Other designs https://www.bunkbedsstore.uk/products/solid-pine-naples-bunk-bed-with-underbed-storage