Once people get venenation of this, they get dizzy and under controled.You can ask them to do crazyshit for you, like: hey buddy,why don't you give me your banking account number and password :)?
When people don't get enough oxygen, they often begin to gasp for air. They may also feel dizzy and light-headed. Besides these symptoms of altitude sickness, others such as headache and fatigue may also occur.