This may occur if: 1  You have a sudden drop in blood pressure. 2  Your body does not have enough water (is dehydrated) because of vomiting, diarrhea, fever, and other conditions. 3  You get up too quickly after sitting or lying down (this is more common in older people).
Wimbledon 2015: Rafael Nadalâs coach says itâs good to talk during play. Toni Nadal feels that coaches are getting a rough deal. Toni Nadal, the coach and uncle of Rafael Nadal, believes it is impossible for a coach not to encourage and communicate generally with a player during a match.
Nadal after winning the third set in his match against Juan Martin del Potro of Argentina, Wimbledon, June 2011. That was his 13th grand slam win, four short of the record held by Federer. Nadal won his first major, the French Open, in 2005, aged 19. He has since added seven more French wins, two Wimbledons, two US Opens and one Australian Open. But his is not the rags-to-riches story people tend to associate with sporting superstars.