Cor. 1. That they who have a very sensible system of Fibres, and are soon affected by a stimulus, are least subject to the Night-mare.
Cor. 2. That sluggish, inactive constitutions are most liable to it.
Cor. 3. That the severity of the fit will be always proportional to the sensibility of the Fibres, and the quantity of Blood.
Cor. 4. That the duration of a fit will be proportional to the sensibility and vigour of the constitution.
Cor. 5. That they who sup sparingly, and never sleep on their Backs, are seldom or never afflicted with it.
Cor. 6. That it is most common in those seasons of the year, which most increase the volume of the Fluids: hence spring and autumn are its most fertile periods.
CHAP. VI.
Of the Prognostics of this Disorder.
LEst this Disorder should be thought altogether the work of Imagination, and necessary precautions should be neglected to prevent frequent returns of it; I have collected the sentiments of the ancient Physicians concerning its consequences; whose authority, in this Disease, as well as in many others, I believe, we may safely rely on; because they were wholly ignorant of its immediate cause, and had no favourite theory to support, but faithfully related facts of this kind as they really appear’d.