Furthermore, at Division X we found a curious phenomenon. If the patient talks in the first phase of sleep, his speech is clear and intelligible, while other sleep phases are characterized by incoherent mumbling. Moreover, somniloquy almost always reflects real events; the information spoken aloud in sleep is exclusively truthful. Our research revealed a clear inter-connection. A man might recite in his sleep a text that he had read the evening before. Sometimes a patient discussed in his sleep events that he had witnessed himself. In short, if someone had something to hide, then extreme caution was called for. That is why Soviet intelligence was concerned about the upcoming operation; they were afraid, to put it bluntly, that information might leak out uncontrolled.
Such concerns were no
