When Light Changed Its Texture
For most of my adult life, time was a dependable structure. I went to bed at eleven and woke up at seven. I never set a second alarm. Sleep was not an event; it was a background, like breath, like health, invisible precisely because it functioned. It was a contract I never had to read.
Then illness arrived. Gradually, without any drama, the contract was nullified.
We often perceive illness as something that occurs within the body. My experience was that illness altered the world around me. The gestures that had carried me, waking up, walking, making coffee, moving through the day without thinking, became effortful, hesitant, and strangely opaque. A flight of stairs required negotiation, and a morning required planning. The body, which had been silent, began to speak, and then to insist.
When transplantation became necessary, I anticipated a rupture. What I experienced instead was something quieter, more disorienting: a subtle shift in gravity, a reorientation of the horizon.
The first thing I noticed after the transplant was the light. Not its brightness, but its texture, thin, particulate, as if the morning was arriving through a finer sieve than before. I lay there watching it gather on the wall, feeling a faint tremor of recognition and estrangement simultaneously. My body was awake, but not in the way I remembered. Something in its rhythm had slipped, reassembled, and returned differently.
I. The Fracture
Illness begins by loosening the unnoticed architecture of everyday life.
Phenomenology teaches that the world is not simply “there”; it is constituted through our habitual ways of inhabiting it. We do not merely live “in” space; we learn how to dwell. A healthy body dwells without announcement. It knows how a door handle will give, how far the kitchen is from the bed, and how to balance on one foot while putting on a sock. All of this is knowledge, but not knowledge that we consciously think about.
When illness disrupts these habits, the world itself undergoes a transformation.
Transplantation intensified this rupture. The change was not dramatic. It was a subtle shift in orientation. I felt as though I was relearning how to inhabit space: not just moving through it, but cautiously re-entering it. The familiar loosened its grip; the ordinary became permeable. Even the smallest actions carried a new weight, as if the world was being returned to me in fragments.
I recall standing at the hospital window during the first week and not recognizing the street. Not because it was new, but because my perception of it had changed. I was no longer someone passing through; I was someone being held, contained, and monitored. The world outside continued its rhythm, while I was learning a different one within.
II. The Body’s Reorganization
What followed was not a restoration but a reconstitution.
The body emerged from its transparency and stepped into the foreground, demanding attention, interpretation, and care. For decades, I had taught, emphasized, and discussed Husserl’s distinction between *Körper* (the body as an object) and *Leib* (the body as lived). After transplantation, that distinction became an intimate experience.
During those early months, the new organ felt simultaneously mine and not mine, a presence I inhabited and observed simultaneously. It was me, integrated, vascularized, and essential. Yet it was also other, with its own history and time. I would place a hand where I imagined it to be and feel not pain, but awareness, a low, continuous hum of presence. *Körper* I could read about in lab values and ultrasound images. *Leib* I felt when I turned over in sleep and my body hesitated for a fraction of a second, as if asking.
The most profound shift was not spatial but temporal.
My once-stable circadian rhythm, eight uninterrupted hours of sleep, a pattern so reliable it had become invisible, unraveled. In its place emerged a biphasic rhythm: five hours at night, three in the afternoon. Initially, I resisted this change. It felt like a malfunction, a disruption of the internal metronome that had guided my days for decades.
I would wake up at three or four in the morning, wide awake, clear-headed, almost painfully alert, and think, “This is wrong.” I would try to force myself back to sleep, counting, breathing, and waiting for the old rhythm to reclaim me, but it never did. By early afternoon, a heaviness would arrive, not fatigue as I knew it, but a kind of tide, insistent and non-negotiable. If I fought it, the day became brittle. If I yielded and lay down, I would sleep for three hours and wake into a second morning.
III. The Pharmacology of Dawn
For months, I treated this as a problem to be solved.
I meticulously kept sleep logs, measured light exposure, and consulted doctors about tacrolimus timing and cortisol curves. I also learned that the liver itself is a circadian organ, deeply involved in glucose metabolism, detoxification, and systemic regulation. It made biological sense that everything would be re-clocked. The liver I now lived with had its own chronobiology, and the medication that kept it safe had its own temporality. My body was not failing to keep time; it was keeping time differently, to a different conductor.
Gradually, I stopped trying to correct it and began to listen to it.
Heidegger writes that human temporality is ekstatisch, an unfolding that stretches ahead into possibilities, gathers up what has been, and holds the present open as a clearing. After the transplant, this clearing felt subtly reconfigured. The day no longer arrived as a continuous arc, a single stretch of productive time to be managed and filled. Instead, it arrived as two distinct openings.
Temporality is the primordial ‘outside-of-itself’ in and for itself. Thus we call the phenomena of future, having-been, and present the ecstasies of temporality. Temporality is not, prior to this, a being which first emerges from itself; its essence is a process of temporalizing in the unity of the ecstasies.”
— Martin Heidegger, Being and Time, §65, H 328–329
The first opening is the early morning. From around four until eleven, the world is concentrated, sharp-edged. Thought is clear, language flows effortlessly, and attention holds without effort. It’s a wakefulness that feels washed, almost clinical in its clarity.
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The second opening occurs after the afternoon sleep. The light is different then, more lateral, more golden, with longer shadows. My attention during this second opening is softer, more diffused, and more receptive to others, music, and nuances. I’m less efficient but more present.
I had lived my entire adult life under one kind of light. Now, I was living with two.
This altered rhythm wasn’t merely biological; it was existential. It reshaped how the future approached me, how the past pressed close, and how the present revealed itself. I could no longer project my day as a single line from morning to evening. I had to learn to project two shorter days, each with its own task and mood.
IV. Excess
Yet there was another dimension, one that surpassed even this existential reconfiguration. The new rhythm arrived with a kind of excess, a density of meaning that I couldn’t immediately interpret.
The saturated phenomenon is marked by ‘the excess of intuition over intention’: intuition is not bound to and by the intention, but is freed from it… intuition subverts, therefore precedes, every intention, which it exceeds and decenters.”
— Jean-Luc Marion, Being Given: Toward a Phenomenology of Givenness (2002)
In Marion’s terms, it had the structure of a saturated phenomenon: an event whose givenness exceeded the concepts available to comprehend it.
The shift didn’t feel like something I chose or controlled. It felt like something that happened to me, something that gave itself with more intensity than I could contain. I could explain it biologically, altered metabolism, immunosuppression, recovery. I could explain it phenomenologically, reconstitution, re-attunement, new dwelling. But neither explanation fully exhausted the experience. Something remained, something that couldn’t be captured by cause or concept.
The body wasn’t malfunctioning; it was revealing itself in a mode of givenness that surpassed my expectations.
Initially, what felt like disruption gradually revealed itself as a new temporal attunement, the body’s own way of re-establishing its internal horizon of day and night, effort and rest, vulnerability and renewal. It wasn’t a deficit to be managed but an intuition to be followed. The body possessed knowledge I lacked: that to continue, it would need to divide the day differently, resting not at the end of effort but in the middle of it.
V. Living Forward Inside a Rhythm You Didn’t Choose
Living after transplantation means living within a rhythm that wasn’t chosen but given.
The daily act of taking medication at precise hours, returning to the clinic, and marking the transplant anniversary becomes a reminder of continuity, of a life entrusted rather than assumed. Time is no longer something you own; it’s something you keep, as one keeps a promise.
Gadamer observed that health emerges from our ability to be absorbed in the world. After transplantation, this absorption returns gradually through small recognitions: the ease of walking without thinking, the rediscovery of appetite, and the unremarkable pleasure of morning light gathering on a wall without any need for interpretation.
The new rhythm, once foreign, now familiar, transforms how we inhabit time. It’s not a return to the old life but the quiet construction of a new one, shaped by attentiveness, vulnerability, and the body’s own temporal intelligence.
Months have passed since the surgery. The biphasic pattern persists. I sleep from roughly midnight until five and again from one until four. I no longer resist it or apologize for it.
There’s a peculiar freedom in ceasing to correct a rhythm you didn’t choose. Mornings have become intensely clear, ideal for writing and the work that requires solitude. Afternoons, after the second sleep, are good for reading, conversation, and being easily moved. I’ve come to view this not as broken sleep but as doubled waking.
Living forward after transplantation means embracing a rhythm that unexpectedly arrived, a rhythm that is both strange and coherent. It’s about recognizing that life continues not by reverting to the past, but by learning to navigate the present.
Some mornings, I still wake up at four and watch the light filter through that finer, more particulate sieve. I no longer feel disconnected. I can sense the texture. It’s not the world returning to me in fragments. Instead, it’s the world revealing itself anew, twice a day, in a time that is finally, quietly, my own.
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This essay was written months after liver transplantation, at a time when my sleep had settled into two distinct parts. It is not medical advice, nor a report on transplantation in general. It is a phenomenological record — an attempt to describe in literary form what it is like when the body reorganises time.
I wrote it biphasically: a few hours in the early morning, a few hours in the afternoon. That rhythm shapes the text.
If you have lived through a similar re-clocking — after illness, medication, or caregiving — I would value hearing how you learned to keep time with it.
All personal medical details have been left intentionally minimal. My focus here is on lived time, not clinical time.
This literary essay is the companion to my open-access paper on post-transplantation circadian change, archived on 10.5281/zenodo.18716720
