PROBLEM TO BE SOLVED: To restrain a fence body from becoming a hindrance, while making it unnecessary to install the fence body on a floor.SOLUTION: A bed device 10 includes: a bed device body 11 a board 12 that is arranged at a longitudinal end of the bed device body 11 a fence body 13 that is detachably arranged at a horizontal end of the bed device body 11 and a fence holding part 18 for holding the fence body 13, which is disengaged from the horizontal end, in the state of positioning it on the other side of the bed device body 11 with the board 12 in between in a longitudinal direction.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2017,JPO&INPIT【課題】柵体の床置きを不要としつつ、柵体が邪魔になるのを抑える。【解決手段】寝台装置10は、寝台装置本体11と;寝台装置本体11における前後方向の端部に配置されたボード12と;寝台装置本体11における左右方向の端部に着脱自在に配置された柵体13と;左右方向の端部から離脱された柵体13を、前後方向にボード12を挟んだ寝台装置本体11の反対側に位置させた状態で保持する柵保持部18と;を備える。【選択図】図2