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.
Andy Murray: Scot retains Amelie Mauresmo as coach for 2016. Read more about sharing. Andy Murray will continue to work with coach Amelie Mauresmo in 2016, but Jonas Bjorkman will no longer be part of the Scot's team. Mauresmo gave birth to her first child in August, but is planning to work 22 to 24 weeks with Murray, 28, next year.