Complex sentence: There are a number of documented cases of shell shock victims who commonly displayed dizziness, varying degrees of consciousness, a loss of non-traumatic personal information, and a lack of general awareness of self lasting anywhere from hours to days.
Split into simpler sentences: There are a number of documented cases of shell shock victims. These soldiers commonly displayed dizziness, varying degrees of consciousness, a loss of non-traumatic personal information, and a lack of general self-awareness lasting anywhere from hours to days.