 Some Swedish political figures that have become known worldwide include Joe Hill, Carl Skoglund, Raoul Wallenberg, Folke Bernadotte, Dag Hammarskjöld, Olof Palme, Carl Bildt, Hans Blix, and Anna Lindh.According to a survey investigation by the sociologist Jenny Hansson, Swedish national parliamentarians have an average work week of 66 hours, including side responsibilities.Hansson's investigation further reports that the average Swedish national parliamentarian sleeps 6.5 hours per night.