I think this stuff is actually pretty typical for folks who progress to a certain stage. I experienced it as well, if that makes you feel any better.
The Buddhists definitely know about this, but a lot of their writing is pretty impenetrable and interlaced with weird metaphysics. Here's some modern, secular words on the subject (from the admittedly controversial author Daniel Ingram):
I think a very small fraction of people actually meditate enough to get to that point. Meditating 90 minutes a day (plus the constant mindfulness practice) is pretty extreme by most people's standards (at least in US secular culture).
The Buddhists definitely know about this, but a lot of their writing is pretty impenetrable and interlaced with weird metaphysics. Here's some modern, secular words on the subject (from the admittedly controversial author Daniel Ingram):
https://www.mctb.org/mctb2/table-of-contents/part-iv-insight...
Here's a more traditional buddhist description of the same thing:
https://www.accesstoinsight.org/lib/authors/mahasi/progress....
I think a very small fraction of people actually meditate enough to get to that point. Meditating 90 minutes a day (plus the constant mindfulness practice) is pretty extreme by most people's standards (at least in US secular culture).