Midi Cabin Bed There are many choices when it comes to selecting the best kids bed. One design stands out: a midi-cabin mattress. These multi-functional designs offer an area for sleeping, storage and studying, as well as playing in one. The best ones also include pull-out trundle beds for sleepovers. https://www.bunkbedsstore.uk/products/panana-mid-sleeper-twin-loft-bed-with-slide