A portable bed is a convenient solution for those who need an extra sleeping space without the hassle of setting up a traditional bed. There are various synonyms for a portable bed, including travel cot, folding bed, camping cot, rollaway bed, guest bed, and sleeper sofa. A travel cot is lightweight and easy to carry, making it perfect for traveling with a baby. A folding bed can be stored in a small space and assembled quickly when needed. A camping cot is designed for outdoor use and can be easily transported for camping trips. A rollaway bed is a foldable bed with wheels, designed for easy storage and transportation. A guest bed and sleeper sofa provide a comfortable sleeping space for guests in a living room or den.