No I am not. Sleeping parts of your brain and unused parts of your brain are a myth. Though underutilized parts of the brain is another matter. I will explain it again. I think that psychedelics stimulate the growth and proliferation of new dendrites and axon terminus that encourage the brain to form new connections between neurons. These newly formed neural pathways allow us to think differently than previously. They are in essence new untread paths for our thoughts to follow that are different than the ones we constantly follow which may be giving us depression and anxiety. Your brain is entirely physical after all, so a physical/chemical phenomenon must occur for the altered mental state to occur. This phenomenon should be reinforced so that the new nonmentally damaging pathways are retained and the old detrimental pathways of thinking fade. I can try to find a diagram for illustrative purposes if that would be helpful.