Lucid Dreaming | Bed Firmness and Lucidity. Sleeping on floor?

So, I'm about to purchase a new bed, and I've decided on a traditional Japanese style floor futon. What I'm wondering is if this has any affect on the frequency of lucid dreams. Does anyone else here have experience with sleeping on a firm surface/futon/the floor and how it affected your dream recall or lucidity?


Thanks.

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