about three o'clock
Even I had to explain , '' said her mother `` simply to confirm his theory of the light Captain Chester had seen and the shadows and the form at the window . It was just exactly as Armitage reasoned it out . I was wretched and wakeful , sleeping but fitfully , that night . I arose and took some bromide about three o'clock and soon afterwards heard a fall , or a noise like one . I thought of you and got up and went in your room , and all was quiet there , but it seemed close and warm : so I raised your shade , and then left both your door and mine open and went back to bed . I dozed away presently , and then woke feeling all startled again , -- do n't you know ? -- the sensation one experiences when aroused from sleep , certain that there has been a strange and startling noise , and yet unable to tell what it was ?