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Everyone yawns and sighs. But for some, the constant need to yawn can become a tormenting illness. The symptoms belong to functional breathing disorders, also known as dysfunctional breathing. The complaints are usually accompanied by tightness, shortness of breath, pressure on the chest and numerous psychological complaints: fatigue, exhaustion, difficulty concentrating, increased anxiety and, not infrequently, panic attacks. Brief case history and explanatory model for the complaints.