Day beds are beds that look like a couch. The back of the couch serves as a headboard. To make a full-size bed some come with a trundle that fits under the bed when set up it looks like a couch. To make the bed bigger for guest to sleep on the trundle is pulled out from under the day bed. The trundle is on wheels which makes it easies to pull out and then can be popped up to the same level as the main part of the day bed. When using a link spring you can join the trundle to the main bed making it into a king-size bed. It can also be left separate to make two twin size beds.

A day bed is considered to be more comfortable then a futon as it has an actual twin mattress. Day beds take up more room then a futon because it is a permanent piece of furniture in a room. None the less it only takes up the space of a twin-size bed. Day beds are great to create a guest room that also may be use as an office. When set up looks like a couch. When buying linens for you day bed measure you mattress for the proper size. In most cases you can buy twin sheet sets. Day beds are considered a more classical approach to use then a sleeper sofa or futon