When we go to sleep, the left
brain disconnects and conscious
awareness winks out; but the
right brain is always awake and
always churning. The right brain
is looking for and trying to fit the
strange pieces that it encountered
during the day into a recognizable
pattern. The left brain’s projector,
your working memory, is off. Then across the corpus callosum
come the languages of the right brain – the languages of symbol,
ritual, metaphor, simile, color, and associative memory. All of
these things tumble across the divide and appear on the now
empty visual, spatial sketch pad of the left hemisphere of the
brain. We call this dreaming.