”This has the lower bed at a right angle to the top bed in that when seen from above, it forms an L-shape,” Aloysius Nangosha, an interior designer, shares. Loft bed is another in the bunk family.

Natalie Larson, a bedding history expert in Williamsburg, Va., said there were records of bunk beds installed in the early 19th century in prison wards, railroad cars and military barracks.