Lucid dreaming: Evidence and methodology

Lucid dreaming provides a test case for theories of dreaming. For example, whether or not "loss of self-reflective awareness" is characteristic of dre aming, it is not necessary to dreaming. The fact that lucid dreamers can re member to perform predetermined actions and signal to the laboratory allows them to mark the exact time of particular dream events, allowing experimen ts to establish the precise correlations between physiology and subjective reports, and enabling the methodical testing of hypotheses.