French President Nicolas Sarkozy collapsed while jogging late Sunday morning on the lush grounds of the Chateau of Versailles and will stay at a hospital overnight even though tests so far have found nothing wrong, his office said. Doctors at the Val de Grace military hospital conducted neurological, blood and cardiological tests as well as an EEG, an electroencephalogram on the 54-year-old president, who is known for his hyperactivity. The test results were normal but doctors would keep him under cardiological observation until Monday, the presidential Elysee Palace said. Sarkozy, an avid jogger and cyclist, was forced to interrupt his run and “lie down with the help of an aide,” the statement said, denying he had lost consciousness in the episode. French Health Ministry Roselyne Bachelot said Sarkozy had suffered a “small” vasovagal episode, which can be caused by strenuous exercise when it is very hot. It is named for the vagus nerve which slows down the heartbeat and reduces arterial tension. “He's doing well. He's hungry. He's grousing, so everything's OK,” Patrick Balkany, a close friend and deputy mayor of the Paris suburb of Levallois
