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In addition to a shorter hospital stay , donors also experience less pain than they do with other transplant procedures . For their stay , volunteers lived two normal days and nights , stayed awake for 64 hours and then were allowed again to sleep so the team could observe the recovery process . At the Westin Hotel , where U.S. Trade Representative Charlene Barshefsky and her Japanese counterparts were staying , guests were told to go to their rooms for fear demonstrators would storm the hotel . For long-term stays , applicants should have a good command of German and must submit the DAAD language certificate ( Sprachzeugnis ) , filled out by a professor of German , with their application . If you were recognised by them as UNIP you stayed , others were released .