The clock stops making sense
The subjective experience of time slowing down, speeding up, or losing meaning entirely. Minutes may feel like hours, or an hour may compress into what feels like moments.
Typical intensity
Time dilation reveals that our sense of time passing is not a measurement of something external but a construction of the brain. When that construction loosens, subjective time can stretch, compress, or lose its arrow entirely. A five-minute experience may contain what feels like a lifetime of content.
Time dilation typically manifests in one of three ways: stretching (minutes feel like hours, every moment contains enormous depth), compression (hours pass in what feels like minutes, often during peak experiences), or dissolution (the concept of sequential time stops making sense entirely).
Cannabis commonly produces mild time stretching, where a conversation seems to go on much longer than clock time suggests. Psilocybin and mescaline can produce more dramatic effects. Salvia divinorum and high-dose DMT can produce time dissolution so complete that the concept of "before" and "after" temporarily loses meaning.
The experience often correlates with the density of novel perceptual content. When the brain is processing an enormous amount of new information, it may allocate more "temporal bandwidth" to each moment, producing the subjective sense that time has slowed.
If your sense of time is not measuring anything fixed, what does that suggest about urgency, patience, and the stories you tell about "not having enough time"?