Science & Technology at Scientific American.com: Banished Thoughts Resurface in Dreams

Today in my face-to-face composition class, a student told me about a bad dream in which she wasn't able to turn in her paper on meningococcal meningitis because she had contracted the disease itself. Horrible dream!

Seredipity led me to this article from ScientificAmerican.com that may explain the phenomenon: "Dreams are where our thoughts go when we try to put the thoughts out of mind."