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.
SHARES. Tennis great Rafael Nadal is one of the most obsessive, ritual-oriented players on the tour. From the placement of his two water bottles, to tying his shoes and wiping off the sweat from his face (always nose first, left ear, nose again then right ear), he is a man who relies on routine to win.