Amit’s Reviews > Stalking the Wild Pendulum: On the Mechanics of Consciousness > Status Update

.. one has to be very careful not to go off unprotected into the astral plane. the boundary layer between the physical and the astral is populated by creatures of the lowest type: criminals, drunks, etc. That one has no physical body and is “dead” does not change one’s personality or intelligence. These will attack the unsuspecting tourist; therefore, the protection of an experienced teacher is required ”

“We often find that in REM dreams we encounter people and animals, which means that they do reach into that level of consciousness, as the energy-exchange curve shows.”

“ The entity “dies,” lives for a while in the lower astral region; then, provided he has made enough progress, he is reborn on a slightly higher level of human existence”
^ like Bhagvad Gita’s rebirth evolution

Trippy chapter, on different levels of reality above the default human perceived, astral, energy, etc