When a man is asleep, he has in a circle round him the chain of the hours, the sequence of the years, the order of the heavenly host. Instinctively, when he awakes, he looks to these, and in an instant reads off his own position on the earth’s surface and the amount of time that has elapsed during his slumbers; but this ordered procession is apt to grow confused, and to break its ranks. Suppose that, towards, morning, after a night of insomnia, sleep descends upon him while he is reading, in quite a different position from that in which he normally goes to sleep, he has only to lift his arm to arrest the sun and turn it back in its course, and, at the moment of waking, he will have no idea of the time, but will conclude that he has just gone to bed. Or suppose that he gets drowsy in some even more abnormal position; sitting in an armchair, say, after dinner: then the world will go hurtling out of orbit, the magic chair will carry him at full speed through time and space, and when he opens his eyes again he will imagine that he went to sleep months earlier in another place. But for me it was enough if, in my own bed, my sleep was so heavy as completely to relax my consciousness; for then I lost all sense of the place in which I had gone to sleep, and when I awoke in the middle of the night, not knowing where I was, I could not even be sure at first who I was; I had only the most rudimentary sense of existence, such as may lurk and flicker in the depths of an animal's consciousness; I was more destitute than the cave-dweller; but then the memory - not yet of the place in which I was, but of various other places where I had lived and might now very possibly be - would come like a rope let down from heaven to draw me up out of the abyss of not-being, from which I could never have escaped by myself: in a flash I would traverse centuries of civilisation, and out of a blurred glimpse of oil-lamps, then of shirts with turned-down collars, would gradually piece together the original components of my ego.
Perhaps the immobility of the things that surround us is forced upon them by our conviction that they are themselves and not anything else, by the immobility of our conception of them. For it always happened that when I awoke like this, and my mind struggled in an unsuccessful attempt to discover where I was, everything revolved around me through the darkness: things, places, years. My body, still too heavy with sleep to move, would endeavour to construe from the pattern of its tiredness the position of its various limbs, in order to deduce therefrom the direction of the wall, the location of the furniture, to piece together and give a name to the house in which it lay. Its memory, the composite memory of its ribs, its knees, its shoulder-blades, offered it a whole series of rooms in which it had at one time or another slept, while the unseen walls, shifting and adapting themselves to the shape of each successive room that it remembered, whirled round it in the dark.