Description & Facts: Thousands of people are taking part in the biggest bed-jump in history today as they bounce from Shanghai to Paris to London to New York on four of the worlds biggest beds. Over 20000 people are expected to jump on the giant beds for over 16 hours to set the record for the worlds biggest bed-jump. The event marks the launch of IHGs (InterContinental Hotels Group) biggest free nights offer, which sees over five million hotel rooms being given away across the groups 4000 hotels in over 100 countries.