The world's No. 1 women's golfer, 23, admitted to feeling "a little lightheaded" in the intense weather, with the heat index hitting 111-degrees. "I think the mental aspect is probably the hardest ...

You may also feel lightheaded, woozy, or unstable when dizzy. You should seek immediate medical attention if you experience dizziness with symptoms like chest pain, a drooping face, shortness of ...

So why do you sometimes feel dizzy when you wake up? That lightheaded or off-balance feeling that you get in the morning can happen for a variety of reasons (more on that below). But that feeling ...