19-year-old Helena Muffly wrote exactly 100 years ago today:
Friday, November 13, 1914: Am awfully sleepy at present, so good-night.
Her middle-aged granddaughter’s comments 100 years later:
Have a sweet and dreamless sleep.
According to a hundred-year-old book:
A sound sleep is dreamless. Dreams require a certain expenditure of nerve force and mental energy, so that dreamless sleep is the most restful. Disagreeable dreams and nightmares are generally associated with indigestion and biliousness, which also occasion a general restlessness.
Personal Hygiene and Physical Training for Women (1911) by Anna M. Galbraith