Hi, I thought you may like this Mentalrobics exercise from Braingle.com:
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"Lucid Dreaming" by Stephen Laberge

In Dr Stephen Laberge's book, "Lucid Dreaming: A Concise Guide to Awakening in Your Dreams and in Your Life", he introduces the idea of lucid dreaming [ For more on 'lucid dreaming' go here: http://www.braingle.com/mind/518.html ] and gives advice and techniques for achieving it. Dr Stephen Laberge is considered the pioneer of lucid dreaming and has conducted more than 20 years of research on the topic at Stanford University.

See this book at Amazon.com [ For more on 'See this book at Amazon.com' go here: http://www.braingle.comhttp://www.amazon.com/exec/obidos/redirect?path=ASIN/1591791502&link_code=as2&camp=1789&tag=glurkcom&creative=9325 ]

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For more mind exercises: http://www.braingle.com/mind/