because that means either your blood pressure is up and you bend over. or its when you bend over all the blood rushes down from your head and your ears then your body has nervous reaction because your hns [human nervous system] which is what Einstein studied.ecause that means either your blood pressure is up and you bend over. or its when you bend over all the blood rushes down from your head and your ears then your body has nervous reaction because your hns [human nervous system] which is what Einstein studied.