Hmm... I feel like I need to defend this and clarify the study's intent. Maybe I picked the wrong title for the thread. The experiment isn't really about "Tibetan Dream Yoga," that's just the "oh-isn't-that-interesting" motivation for their experiment on sleep position/the nasal cycle and its effects on dreaming.
 Originally Posted by Intended
... it's meaningless to sleep in any position, because you aren't doing the practices that later produce LDs.
Unless sleeping position is a practice that later produces LDs, which is what's being investigated here.
They're hypothesizing that there may be a difference and that it may be due to the nasal cycle, which has already been established as having effects on the brain. The experiment isn't based on the teachings of Tibetan Buddhists, and it's not specifically an attempt to validate any of their methods. It's a study trying to scientifically establish something that's already been mentioned in dreaming lore. Wouldn't it be nice to know if sleeping position DID help you LD? They mention the lore as motivation and background, but nothing more.
There's been research done into this before (see for example Atanasov A.T., Dimov P.D. and Dimitrov B.D. "Time Periods in the Nasal Cycle During Night Sleep.", Biological Rhythm Research, 34(4):255-266(12), 2004 relating sleep and the nasal cycle, and Khalsa, Shannahoff. "The ultradian rhythm of alternating cerebral hemispheric activity.", Int J Neurosci.70(3-4):285-98., 1993, relating the nasal cycle with brain activity) but not specifically relating to sleeping position vs. dreaming.
Basically they're saying, if sleeping position affects the nasal cycle (which it does), and the nasal cycle affects the brain (which it does), and the brain affects dreaming (duh), then sleeping position may affect dreaming. All of the stuff about Tibetan Dream Yoga is background and has nothing to do with their method, collection, or analysis of their results.
And I'm not an expert on it either, (actually I know nothing about it) but a quick google search does turn up a lot about Tibetan Dream Yoga, the "mastery of lucid dreaming in the service of enlightenment," and being able to shape and control your dreams allowing for deeper understanding of the ephemeral nature of dreams and reality. So I don't think it's something that the guys at the Lucidity Institute lied about (at least not intentionally).
I suppose it's my fault for using the study's subtitle about "Tibetan Dream Yoga" as the title of my thread instead of the study's actual title "The Best Sleep Posture for Lucid Dreaming." "Tibetan Dream Yoga" just sounded cooler If you read the pdf file from my original post, I think it's pretty clear what the experiment's all about.
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