The Interpretation of Dreams by Sigmund Freud Chapter 1 Page 34

somewhat indirectly; some connection, some sequel must be known — the first step towards recognizing the desire. Thus, when a husband related to me the dream of his young wife, that her monthly period had begun, I had to bethink myself that the young wife would have expected a pregnancy if the period had been absent. The dream is then a sign of pregnancy. Its meaning is that it shows the wish realized that pregnancy should not occur just yet. Under unusual and extreme circumstances, these dreams of the infantile type become very frequent. The leader of a polar expedition tells us, for instance, that during the wintering amid the ice the crew, with their monotonous diet and slight rations, dreamt regularly, like children, of fine meals, of mountains of tobacco, and of home.

It is not uncommon that out of some long,