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.
Novak Djokovic recruits Boris Becker as coach. Chat with us in Facebook Messenger. Find out what's happening in the world as it unfolds. When Novak met Boris â Boris Becker has been appointed as Novak Djokovic's new head coach. Becker, who won six grand slams during his career, will start work with the World No.2 ahead of January's Australian Open.