Nearly 60,000 "Lea" panel, loft and bunk beds in 34 various sizes are being recalled.
The side mattress support rails can break, posing a fall hazard.
They were sold in stores and online between August 2008 and March 2013, with prices ranging from $300 to $400.
There have been 22 reported incidents in the United States involving the recalled beds since 2009.
Lea is offering replacement rails.