But when a man’s pulse is healthy and temperate, and he goes to sleep cool and rational,. . . having indulged his appetites neither too much nor too little, but just enough to lay them to sleep,. . . he is then least likely to be the sport of fanciful and lawless visions.. . . In all of us, even in good men, there is such a latent wild beast nature, which peers out in sleep (571-2).
