Blood pressure.
Vestibular sense
If you have a fast heart beat and feeling dizzy it is called syncope.Two of the signs of a cardiac problem.
The blood is rushing away from your head to your gut in the "fight or flight" reflex, getting you ready to run, so you might feel a little dizzy as your blood pressure changes.
Aids. I suggest you go see you gp immediately.
you might have the flu, might be pregnant, might be high/drunk/hungover. there might be fumes leaking in your house, you might have just spray painted. either way, go to the doctor
criying
You have to look at it closely and it might seem dizzy.
my girlfriend feel tired and sick
The acrobats may feel dizzy from performing high-flying stunts, while the swings themselves do not experience dizziness. Dizziness in acrobats can be caused by spinning or flipping rapidly in the air, which can disrupt their sense of balance.
A person with low hemoglobin may feel dizzy because his blood doesn't have enough oxygen-carrying capacity. The brain requires large amounts of oxygen, and may be the first organ to notice a deficiency.
If I drink too much wine I feel dizzy. Spinning in circles will make you dizzy. I get so dizzy, I see stars!