"At times the state into which I had fallen appeared so strange that I believed myself dreaming. I arose trembling. My clothes were near me on a chair; I neither remembered having undressed myself nor going to bed. Then by degrees the reality broke upon me, full of chaste terrors. I was no longer in the house where I had dwelt. As well as I could judge by the light of the sun, the day was already two-thirds gone. It was the evening before when I had fallen asleep; my sleep, then, must have lasted twenty-four hours! What had taken place during this long sleep?