The Effects of Light Deprivation

Psychologists tell us that one of the most difficult conditions a person can be forced to bear is light deprivation. Darkness, in fact, is often used in military captivity or penal institutions to break down an individual’s sense of self. Once a person becomes disoriented, once they lose a sense of where they are, and what it is that lurks in the dark around them, or where the next crevasse or wall or attack may be coming from—once they can no longer feel in control of their physical surroundings—a person loses a sense of self.

Every shred of self-confidence shrivels. The giant within…