13.And a bunk bed with stairs and a trundle to get the most bang for your buck. This twin-over-full bunk bed has built-in stairs for easy access and a pull-out trundle for extra sleeping space.

SIMPLE ONE COLOR STYLE: The clean lined black finish of this twin bed with trundle bed under is versatile to match a variety of room aesthetics while hiding dirt and scuffs for low maintenance use ...

We tested numerous models from top-rated brands in family homes to find the best twin mattresses for kids, naming 9 winners from Avocado, Helix, Birch, Saatva and more.