Conversation

Delta waves are at their most active when you’re not. They appear when you’re asleep and reduce your overall sense of awareness. Associated with the sub-conscious to unconscious parts of the mind, delta brainwaves are said to be the opening to non-physical states of reality.
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Before you go thinking that this is nothing more than a 44Hz pure tone, compare it to an actual 44Hz pure tone. It's hard to notice much happening with a beat frequency of 0.1Hz, but if you focus you will notice a slow panning sensation.
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