What is an abnormal “yawn”? Yawning often without sleep is a warning sign of serious illness or not?
“yawn” The reaction where the body opens its mouth and takes a deep breath. which can be triggered by fatigue lethargy or fatigue increased demand for oxygen in the body “yawn” It can be caused by talking about or seeing others yawning. There is a concept that human beings are at each other’s throats. (contagious […]