BUNK FOR A VEHICLE CAB

The bunk comprises a frame attached to the cab, having a front beam, a rear beam, and side beams, each side beam comprising a front segment and a rear segment; and a supporting structure coupled to the frame and extending over the inner surface of the frame. The bunk can change from a normal state, in which the front and rear beams are spaced apart by a nominal distance Dn, the front and rear segments being in a first relative position, to a collapsed state, in which the front and rear beams are spaced apart by a distance D