The Ramesside Dream Book, preserved on Papyrus Chester Beatty III and dated to around 1275 BCE, is one of the earliest surviving manuals of dream interpretation anywhere in the world. It was copied by a scribe named Qenherkhepshef, who kept it as part of a working reference library, and it survives today in the British Museum in a state that lets us read most of its ruled columns almost as its ancient user would have.
The book is organized as a long table. Each entry begins with the phrase "If a man sees himself in a dream…" followed by the image — eating crocodile flesh, falling from a wall, seeing his own face in a mirror — and then a verdict, written in red for "bad" and black for "good." A short interpretation follows, often only a line. The compressed, catalog-like format is closer to a lookup table than a spiritual essay; the interpreter is expected to already know the underlying worldview.
To the Egyptians who used it, sleep was not merely rest. It was a state in which the boundary between the world and the divine thinned. Dreams could be sent by gods such as Ra, Thoth, or Bes, and they could also be intruded on by hostile forces. The dreamer was therefore not the author of the dream but its recipient — a kind of witness whose job was to record accurately and consult a trained reader.
One recurring pattern in the manual is interpretation by reversal. Seeing oneself dead could portend long life; seeing oneself in mourning could point to celebration ahead. This is one of the earliest documented uses of a technique later called antiphrasis, in which the dream image and the waking meaning are treated as inverses. Modern readers sometimes assume this is a symbolic sleight of hand, but for the Egyptian dream reader it reflected a coherent theology: the dream world and the waking world were understood to be structurally opposite.
Later Egyptian sources add practices of dream incubation, in which supplicants slept overnight in temple precincts hoping for a divinely sent dream — a practice that would migrate across the Mediterranean and shape Greek and Roman religion for centuries afterward.
This is offered as a *historical belief*, not a claim about how dreams work. It matters here because it shows something important about our subject: for at least three and a half thousand years, human beings have taken their dreams seriously enough to write them down and try to read them. The impulse behind your own dream journal, however differently framed, is very old.