https://www.vice.com/en/article/v7e4g3/found-page-25-of-the-cias-gateway-report-on-astral-projection

With the left brain relaxed and the body in a virtual sleep state, according to the report, the conditions are ideal to promote brainwave outputs of higher and higher amplitude and frequency. When the wave pattern of a consciousness drops below an oscillation frequency of 10 to the power of -33 centimeters per second, for a brief instant it “clicks out” of space-time and joins infinity. Monroe’s theories maintain that if that “click-out” can achieve continuity you can begin dialoguing with other dimensions.

Well, page 25 is published in the information obtained from the link posted above by Barbara Gale, to whom I say thank for this thread. It shows synchronicity at work here...