series of pseudoscience: 2. cherries will make you dream

1. cherries & melatonin:
cherries are one of the few known food sources of melatonin

http://www.choosecherries.com/health/sleep.aspx

2. melatonin & dream:
melatonin induces vivid dreams.
search key word "dream" in the following links:

http://en.wikipedia.org/wiki/Melatonin

http://www.charm.net/~profpan/hypoths.html