You are probably not drinking enough water and are dehydrated. Add more fluids to the routine. It should help.
If you want to do it all the time and can't stop!! Or you feel dizzy and feel like your going to faint...
A cool down should begin after you exercise, or when you feel dizzy or are getting cramps.
If you still feel dizzy then you should see a doctor, if not you may watch and wait, and drink a lot of fluids with sugar
numbness
the reason you feel dizzy when you wake up is becase your body is using muscles that haven't been used for 8-9 hours, and your brain is just starting to function. the reason that you feel dizzy after you stop spinning is you brain was shaken up and lost its concentration balance.
When you whirl around, the fluid in your ears starts moving around. When you stop suddenly, the fluid keeps sloshing around for a bit. This makes you feel as if you are still moving even though you are not. This creates the dizzy feeling.
criying
Your heart rate may speed up to approximately 8 times as fast considering your fitness. Also you may feel dehydrated and dizzy in which case you should drink lots of water.
my girlfriend feel tired and sick
Ever thought you could be hypoglacemic? Ask your doctor about it.
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.