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Good question, I have not noticed anything too out of the ordinary. I mainly attribute this to the fact that I never take any of these supplements after 2 PM. Additionally, my dreams tend to be fairly erratic in general. I have begun tracking my sleep closely and I'm hoping to start identifying some trends. Eventually, I'm going to try and put together a post on the subject. Thanks for the feedback!

Cool. Some of the same substances are used by advanced lucid dreamers. https://www.amazon.com/Advanced-Lucid-Dreaming-Power-Supplements/dp/1430305428

Hmm...that might be worth exploring.