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.
In charge of the national team since 2011, Klinsmann had a record of 55-27-16 and led the U.S. to the Round of 16 in the 2014 World Cup. Former national team coach Bruce Arena, 65, is expected to be named as Klinsmann's replacement as early as Tuesday, three people with knowledge of the decision told USA TODAY Sports.