Midi Bed With Storage Mid sleepers with storage offer kids a fantastic multifunctional piece of furniture for their bedroom. These low format beds take the standard UK single mattress and pack with plenty of storage below the bed. Many include a fabulous pull-out trundle drawer that is great for sleepovers. https://www.bunkbedsstore.uk/products/solid-wood-daybed-with-trundle-high-sleeper-guest-bed