Nightmare and Dreaming

Nightmare and dreaming are so closely entangled, that it is impossible to study their phenomena apart. It is the subject of nightmare to which I would especially direct attention. Having been myself a martyr to this distressing complaint, I have been in the habit, during a period of twelve years, of making notes of my mental state and physical condition before and during the attacks, in the hope of throwing some light on its origin, and thereby leading to the discovery of some means for preventing or mitigating the horrors of an affection to which we are all more or less liable. I have also preserved