This inconvenience writer recommends interpreting every nightmare, or night terror, as a possible source for future dream trauma.
Metamorphoses of Nightmares 1
Almost every kind of nocturnal attack forms an interesting case.
The solitary fright or terror, for instance, forms the food
of possibility,
each feast having its own special
prey diner!
Source text: On the Origin & Metamorphosis of Insects by Sir John Lubbock, published in 1890