Guest bed type Footprint when not in use Best room size Sleeps Sofa bed Sofa-sized (always out) Modest living space 1-2 Day bed Single bed footprint Small spare room 1-2 with trundle Folding bed Stores vertically No dedicated room needed 1 Ottoman bed Full bed (storage underneath) Dedicated guest room 1-2 Divan bed Full bed (storage available) Squeezed guest room 1-2 Air bed Packs to box size Any floor space 1-2 Bunk bed Single bed footprint Cosy kids room 1-3 Cabin bed Single bed footprint (storage available) Kids room 1 Small double 120cm x 190cm Compact spare room 1-2