Abstract: The invention provides an adjustable bed of the type comprising a bed base frame, having a lead end, a foot end, opposed longitudinal members connecting same end foot members attached to the base frame normally being in contact with a floor surface, an articulated moving upper frame mounted on a carriage having leg support portions and upper body support portions articulated to each other and supported on the carriage for longitudinal shifting of the support portions relative to the base frame; and motor means for raising the upper body support portion and/or the leg support portions the led further comprising at least one wheeled leg member operationally connected to the motor, the at least one leg member being displaceable from a first elevated position to a second deployed position, wherein in the second deployed position the at least one wheeled leg member is brought it in contact with the floor surface and a rolling element supported at the leg member free extremity applies a force to the floor surface s