Why do you always have nightmares when you have a fever?

With very high fever/overtemperature, hallucinations can occur. The Körpe4 requates with an increased metabolism, which often has a lower sa6erative saturation. This also affects the brain, which processes stimuli and impulses as a result. Say, you’re swaying between still living and dying. The Fieber Dilirium belongs to the group of physical psychosis. Since the nerve cells are irreversibly damaged, a very high body temperature is always an emergency!