Scientific studies have shown that people who meditate regularly also slip into lucid dreaming easier and dream with more clarity. Meditators also tend to need less sleep. There are also kind of benefits from meditating.

Here are some meditation sources if you're interested:

http://buddhism.about.com/od/meditation/

http://www.insightmeditationcenter.org/

http://1stholistic.com/Meditation/hol_meditation.htm

http://www.wildmind.org/

http://www.faqs.org/faqs/meditation/faq/