From twin-over-twin designs with built-in ladders ... Most bunk beds will work for young kids, but if you plan on offering up the bed to adults, you’ll want to look for something sturdier ...

The bed sizes typically available in the United States range widely and comprise twin, full, queen, king, and California king ...

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