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Trundle Bed (Truckle)

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In short

A trundle bed, also called a truckle, is a second low bed on castors that rolls out from under a single bed or day bed. It gives you a spare bed that tucks away in the day. Trundle mattresses are thinner than standard ones. Check the floor space with the trundle fully out.

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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 trundle, or truckle, bed is a second low bed that rolls out from under a single bed or day bed.

Trundles are useful for sleepovers and small guest rooms.

Use the mattress depth the maker gives, or the trundle may not slide back under the bed.

Full guide: guest room, day bed and truckle.