These states are characterized by feelings of total weariness and tenseness that cannot be relieved by sleep or rest, degenerating into an inability to concentrate. When he can sleep, the soldier is often awakened by terrible nightmares. Ultimately the soldier becomes obsessed with death and the fear that he will fail or that the men in his unit will discover that he is a coward. Generalized anxiety can easily slip into complete hysteria. Frequently anxiety is accompanied by shortness of breath, weakness, pain, blurred vision, giddiness, vasomotor abnormalities, and fainting.
