In my 40's I could go to bed with a complex software design or implementation problem I was wrestling with. Consciously word a cogent and succinct question that I needed answered, sleep on it, and then in the morning, I would be still and mentally ask, "well?" Not meditating or anything, just be quiet then and listen.

And, in very deadpan style, after a few seconds (as if to choose one's words carefully), some answer would come to me audibly in my voice in my mind.

"Have you tried X?" No, I hadn't tried X, and holy smokes that was a workable approach! Sometimes, it would tell me to go back to some bit of code or configuration I had moved on from and tell me to go back and focus on that, it was almost always right that there was where I had goofed up. I experimented with posing multiple questions and follow up questions. I even asked it how it was that these answers were derived.

Strange to reread the above and refer to my own thoughts as 'it'. They were bidden ideas that came from me for sure. But, I disassociate from them because I have no memory of the chain of thought that led to the responses.

There's a lot going on upstairs, higher mind stuff. I am older now, and I no longer experience this phenomena. Have I lost it to age, or have I integrated it somehow into my conscious mind?

I subscribe to the Multiplicity of Personality theory (our personalities are a combination of multiple ones). eg My wife and I both have a chaos monkey that emits impulses to do the most destructive and disruptive things, which we sometimes talk about in jest.

My dominant personality is one of control (for order) so I can focus on problem solving. Some sort of raw insight/intelligence comes from a personality that isn't always on, but seems to erupt from periods of calm and relaxation. eg Shower solutions or bedtime revelations are common.

Many people have told stories of voices that nudge them this way or that at just the right time, which I've experienced as well. Whatever part of me dreams is uses memories and fantasy, striving to experiencing new scenarios through thought experiments. The better I sleep, the more I find very recent events are incorporated...so it's some sort of shared space. I feel like the personalities fight for dominance when the body or mind is overly-stressed (puberty, mortal danger, etc) but normally resolve into a sort of basal state. I never wanted to be a psychologist and maybe I'm just crazy. It would explain a lot.

> There's a lot going on upstairs, higher mind stuff. I am older now, and I no longer experience this phenomena. Have I lost it to age, or have I integrated it somehow into my conscious mind?

It's similar to what Jaynes described in his "bicameral mind." Man of antiquity "heard" disembodied wisdom dispensed to him, seemingly at random, from an incorporeal source: "gods." Today we simply regard such pseudo-auditory phenomena as "thought," which may throw light on Cartesian-style equation of "the soul" with "the mind," and enduring mathematical truths with divinity.

Following the Bronze Age collapse and the "breakdown of the bicameral mind," human culture is replete with examples of people trying to hear the voices of gods, who were now being crowded out by the conscious, egoic, individualistic mental chatter of the newly developed default mode network - the crying out of the Psalms, elaborate rituals and procedures for invoking divine inspiration in the oracles, various forms of divination, augury, etc.

Tarot, properly understood, is not a means for divining the future, but a debugger or reverse engineering tool for probing the internal psychological state of the querent, and hopefully coaxing out these moments of unconscious, unbidden inspiration.

Much of modern esotericism is about trying to steer the brain into states of mind where these vestigial, intuitive, subconscious, nonlinear, pattern matching, Kahneman System 1 facilities of thinking, become once again accessible to conscious prompting and dialogue. Jaynes calls this "the induction," the Romans called it "the genius," Thelemites know it as "the knowledge & conversation," and it may be most broadly described as "union with God."

When I wake up from good rest it's like I've been somewhere else for years. I use that time to stay off the Internet and look at things fresh. That would explain plenty of coming up with novel solutions to things, without any solving being done while sleeping. The mental ruts of the day greatly limit problem-solving ability.

What about before your 40s?