DREAMS, VISIONS, AND LIMINAL STATES: WHY CIVILIZATIONS TREATED THE NIGHT MIND AS GUIDANCE

April 26, 2026

Parneet Sachdev
Chairman of Real Estate Regulatory Authority and a leading author

I once dreamt, many years ago that a neighbouring country had attacked. I was travelling on a road. It is night time. Thankfully, the missile falls a bit away from me. There are many more missiles, aimed at me. I am not injured. Then there is a small turning on the road. Into a village road. When I turn there, the missiles stop attacking me.

Having learnt the science and art of dream interpretation, I understood the message of my subconscious and took the transfer to a remote place. It was peaceful, unlike the what was happening in the present posting.
In the ancient healing temples of Epidaurus in Greece, the sick did not begin treatment with medicine. They began with sleep. Patients were led into a sacred chamber, purified through ritual, and instructed to sleep with intention. This practice, known as dream incubation, rested on a radical assumption: that the dreaming mind could reveal diagnosis, prognosis, and even cure. Accounts preserved by classical authors describe patients awakening with symbolic dreams that were then interpreted by temple priests and translated into treatment.

To modern sensibilities, this appears mystical. Yet to the ancient Greeks, dismissing dreams would have been irrational. Dreams were regarded as a distinct mode of cognition, one capable of perceiving truths inaccessible to waking thought. Homer writes
“Dreams are given by Zeus.”
– Homer, Iliad

OTHER CULTURES

This attitude was not unique to Greece. Across civilizations separated by geography and time, human cultures treated dreams, visions, and liminal states not as mental noise but as structured channels of insight.
The Hebrew Bible says

“For God speaks once, yes twice, though man does not perceive it.
In a dream, in a vision of the night, when deep sleep falls on men…”
-Book of Job 33:14–15
This passage explicitly presents dreams as a legitimate channel of divine communication.In ancient Mesopotamia, dream interpretation formed part of statecraft; kings consulted dream specialists before military campaigns. In the Hebrew Bible, Joseph’s rise from prisoner to governor rests entirely on his ability to interpret dreams, while the Book of Daniel frames dreams as symbolic communications requiring wisdom rather than literal reading.
In early Buddhism, the Buddha’s conception is preceded by Queen Maya’s visionary dream, and Tibetan traditions later systematized dream practice into Dream Yoga, training practitioners to maintain awareness within dreams. The Buddhist scriptures say
“Mind precedes all phenomena; mind is their chief;
they are all mind-made.”
-Dhammapada, Verse 1
This verse underlies Buddhist traditions that treat dreams as legitimate fields of insight and training.
The Upanishad writes

“When a man sleeps, then the Self takes away with it the material from the entire world and builds it up again in its own form.”
-Brihadaranyaka Upanishad 4.3.10
Here, dreaming is described as an act of creative reconstruction by consciousness itself.

NEUROSCIENCE

This global convergence raises a serious question:

Why did civilizations place such epistemic trust in states modern society largely ignores or pathologizes?
Neuroscience now suggests that ancient intuitions were not naïve.Dreaming is not a passive by-product of sleep. It is an active, metabolically demanding brain state. During rapid eye movement (REM) sleep, the brain shows heightened activity in emotional and associative regions such as the amygdala and hippocampus, while executive control areas of the prefrontal cortex are relatively downregulated (Hobson, Pace-Schott & Stickgold, 2000). This neural configuration explains why the dreaming mind is not irrational; it is differently rational.
Psychological research has repeatedly demonstrated that dreaming facilitates the integration of emotionally charged experiences
allowing traumatic or unresolved experiences to be processed without overwhelming waking consciousness (Walker & van der Helm, 2009). In this sense, dreams function as the psyche’s overnight therapy session.
What ancient cultures intuited symbolically—speaking of messages from gods or ancestors—modern psychology reframes functionally: dreams reorganize meaning.

DREAM INCUBATION

The practice of dream incubation, far from superstition, may have exploited this mechanism deliberately. By focusing attention on a problem before sleep, ancient practitioners were effectively priming the brain’s associative networks. Contemporary cognitive science confirms that problem-solving can occur during sleep; experimental studies show that participants are more likely to discover hidden solutions after dreaming, especially when the task involves remote associations rather than linear logic (Wagner et al., 2004). After all, the structure of the DNA was shown in a dream to James Watson.

Liminal states, those thresholds between waking and sleeping, are particularly fertile.Hypnagogia, the state encountered while falling asleep, has been documented as a source of creative insight by figures ranging from Thomas Edison to Salvador Dalí. Neurophysiologically, EEG studies show transitions between alpha and theta rhythms during this state, associated with imagination, memory access, and creativity (Stickgold et al., 2001).
Among many Native American societies, vision quests required prolonged fasting, isolation, and exposure to nature and induced these states. Anthropologists such as Victor Turner described such rites as liminal experiences, periods in which identity dissolves and is reconstituted.

Near-death experiences (NDEs) occupy an even more dramatic liminal territory. Individuals revived after cardiac arrest or severe trauma frequently report consistent patterns: tunnels, lights, life review, encounters with presences, and profound shifts in values upon recovery.

Across these domains—dreaming, hypnagogia, vision quests, and near-death states—the pattern is consistent. When ordinary sensory input and executive control are loosened, the mind accesses deeper associative and emotional layers. Ancient cultures treated these layers as meaningful.

CONTEMPORARY USES

Contemporary society is chronically sleep-deprived, overstimulated, and hostile to introspection. Dreams are rarely recorded, let alone reflected upon. The liminal spaces where insight once emerged are now filled with screens. Neuroscientists warn that chronic disruption of REM sleep impairs emotional regulation, creativity, and resilience (Walker, 2017). What ancient societies externalized into myth and ritual, modern individuals internalize as pathology.

Carl Jung, drawing from both clinical practice and cross-cultural symbolism, warned that ignoring the unconscious does not make it disappear. Dreams, he argued, compensate for one-sided waking consciousness by revealing neglected truths. Contemporary trauma research echoes his core insight: unintegrated experience seeks expression.
The spiritual traditions were not wrong in treating dreams as guidance. They were incomplete in their explanations, but accurate in their intuition.

What has been lost is not belief in prophetic symbolism, but attentiveness to inner intelligence.

HOW CAN WE USE DREAMS
A modern reader need not revive ancient ritual wholesale to recover this faculty. But something essential can be reclaimed through disciplined attention.Begin with dream recall as cognitive hygiene. Place a notebook by the bedside. Upon waking, write whatever fragments remain, images, emotions, sensations; without interpretation. Research shows that this simple act increases recall frequency and strengthens the brain’s capacity to bridge sleeping and waking cognition (Schredl, 2010). Over time, patterns emerge. Recurrent symbols often point to unresolved concerns or neglected aspirations.For those inclined toward deeper practice, intentional dream incubation can be approached secularly. Before sleep, formulate a clear question not a demand, but an inquiry.

Hold it gently in mind, then release it. Studies in cognitive psychology suggest that such priming increases the likelihood of relevant dream content and post-sleep insight (Barrett, 2001).

Finally, cultivate respect for liminal moments. Resist filling every transition with stimulation. The few minutes before sleep and after waking are thresholds where the mind remains porous. Ancient cultures protected these spaces.

Dreams are rarely predictions of the future. They are conversations with the present, conducted in a language older than reason. When civilizations treated dreams as guidance, they were not surrendering rationality; they were acknowledging that human intelligence does not end at the edge of waking thought.

What ancient cultures preserved through ritual, we may yet recover through attention. The question is not whether dreams speak truth, but whether we still know how to listen and interpret.