Have you been told you have Adrenal Fatigue? The term "adrenal fatigue" is probably not an accurate way to describe the symptoms it is referring to. And this term is criticised by the medical profession and is not a medical term or diagnosis.
However, fatigue is real. The term "adrenal fatigue" usually refers to the deep exhaustion and often associated physical symptoms, after a period of stress and/or trauma. Some people just cannot function normally or are even bedridden, just from fatigue.