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Sofa Bed

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In short

A sofa bed is a sofa that turns into a bed. Click-clack sofa beds fold the back down flat. Pull-out sofa beds unfold a hidden frame and thin mattress from under the seat. Mattress thickness is limited by the space inside the frame. Measure the room with the bed fully open.

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Close view of a plush velvet headboard and matching upholstered bed
Many bed words describe fabric, shape or storage — this is how they look in a room.

Definition. A sofa bed is a sofa that folds or pulls out into a bed. Common types are click-clack and pull-out designs.

Sofa beds are usually made for occasional guests rather than nightly sleep. Check what the maker says about daily use.

Upholstered sofa beds must meet the UK furniture fire safety rules.

Full guide: sofa beds and guest bed mechanisms. Also: sofa beds: types and where to buy.