I experimented on myself this morning. Near sleep, when going into sleep paralysis, hearing the ringing frequency as usual, I discovered that the ringing sound is somewhat a magnification of thoughts. Could it have been like the case of the high tuned echo when a microphone is near the speaker? I do not know.
But when I tried to say and concentrate on a few words in my mind, the ringing noise became the sounding of those words. Soon, I was able to project images, as if how dreams begin.
So, have I discovered something on this special state of sleep? or is it just another temporary illusion in dream? One way to find out is to test it again when it happens next time.
If all these are as I have hypothesized, then I have come a little closer to understanding the workings of human mind.
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