Kids shouldn’t be the only ones who get to enjoy bunk beds. Tiered sleeping arrangements may inherently encourage play and whimsy, but they are also great space-saving designs—something that anyone can appreciate, regardless of age. Here are 10 of our favorite built-in bunk beds, culled from our archives.

Photo by Matthew Williams 

Built-in poplar double-bed bunks are cleverly divided by a lounge.

Photo by Sal Taylor Kydd

Two young siblings share a room with built-in bunks.

Photo by Pia Ulin, courtesy of Bangia Agostinho Architecture

Photo by Nicole Franzen

A sleek, custom built-in for family lodging at Scribner's Catskill Lodge.

Photo by James Lynch

Multiple bunks are perfect for sleepovers.

Photo by Lincoln Barbour

These Scandi-inspired kids bunk beds are chic and playful.

This plywood bunk has storage alcoves and a steel ladder.

Photo by Elsa Young, Frank Features, and Nicolaus Matthius, courtesy of Beatty Vermeiren Architects

Photo courtesy of Hello I'm Local Hotel

The Hello I'm Local hostel in the Netherlands features bunks with vintage ladders.

Photo by Matthew Williams, courtesy of Workstead

Workstead turned a former walk-in closet into a bunk bed.

Photo by Patrick Reynolds, courtesy of Cheshire Architects

This New Zealand bunk room features built-in metal piping beds.

Photo courtesy of McAlpine Tankersley 

Rope ladders hang from the ceiling in this bunk room.