Lecture V
In the same way, dreamless-sleep consciousness, which was first given to man on the Sun, alternated with the waking, earth-consciousness. These conditions were already prepared for on the ancient Moon. At that time the etheric and astral bodies were not continuously outside man, there were periods when they sank into his physical body; for the ancient Moon already moved round the Sun, and this rotation brought about conditions in which man was shone upon by the Sun at certain times, and not at others. Through this an exit and entrance of the etheric and astral bodies into the physical body were brought about. The change was certainly not so strongly contrasted as at present.
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