Abstract: A bunk for a bunk arrangement in a truck cab has at a free edge vertical safety belts preferably attached to the ceiling of the cab, and a safety net. At its free edge the bunk has a longitudinal cartridge for the safety net. A net rod at the upper edge of the net has a locking device at each belt, the locking device guiding the rod along the belt and locking it thereto unless manually released against spring bias.