The Afterglow Effect

What a late night of dancing, and a new study on meditation, taught me about elasticity, recovery, and why we practice at all

The other night I had the chance to go out on the town and celebrate a life event for some people very dear to me, the kind of evening that asks a steadfast introvert to stretch well past her usual edges. There was dancing into the small hours, there was laughter, there was the particular joy of watching people you love be celebrated by others who love them, and there was, blessedly, not a trace of drama anywhere in the room. I went into it half expecting to pay for it the next day, certain I would wake up wrung out and depleted.

And I was tired, it is true, but underneath the tiredness was something else entirely, something warm and quietly humming that I can only describe as lovely. The goodness of that night, the music and the closeness and the celebrating, far outweighed anything that felt like an overdraw on my energy. I woke into the afterglow, and it got me thinking about how much that effect matters, and how worth cultivating our capacity for it really is.

So, What Is the Afterglow Effect?

We tend to associate the word afterglow with romance, and for good reason, since intimacy happens to gather all the right ingredients in one place at one time. The closeness and the touch and the sense of safety, the rise of oxytocin and the soft settling of the nervous system into rest, all of it leaves behind a lingering warmth that can color the hours and sometimes even the days that follow. But the afterglow was never the private property of romance. It is simply the name for what remains after an experience carries your whole system toward coherence, and that experience can just as easily be a night of real belonging on a dance floor, a long walk that loosens something in your chest, or a few quiet minutes of breath that drop you beneath the surface of your day. Anything that gathers enough of the right conditions can leave a glow behind it. Romance is only the most famous example, not the only one.

Where Meditation Comes In

This is exactly what a recent study out of the University of Tokyo helps us see. The researchers followed ninety adults for three weeks, tracking their heart rate variability continuously through their smartwatches. Heart rate variability is the small, constant fluctuation in the time between one heartbeat and the next, and it happens to be one of the clearest signals we have of how responsive and adaptable your nervous system is in any given moment. What they noticed was that the experienced meditators did not necessarily move through their days carrying higher numbers than everyone else, since their resting levels looked rather ordinary. But every single time they sat down to practice, their heart rate variability rose during the session, and then, instead of dropping away the moment they stood up, it stayed elevated for at least half an hour afterward. The practice produced an afterglow, a measurable one, and over time these practitioners had quietly trained their bodies both to summon that state and to extend it.

Elasticity, Not Altitude

This, I think, is the real reason we practice at all. It is tempting to imagine that the point of meditation, or movement, or any of the small rituals we keep returning to, is to climb toward some better number and then defend it. But your body thrives on something far more interesting than altitude. What keeps it well across a long and unpredictable life is elasticity, your capacity to rise to meet a demand and then to recover, to flex toward effort and then to soften back toward rest, to ebb and flow with whatever a given day or season or celebration happens to ask of you. This is plasticity in the truest sense, a nervous system supple enough to move and return, again and again, without ever losing the way home.

It is also, I realized, exactly what carried me through that long night of dancing and out the other side into the morning glow. My ability to stretch past my introvert's comfort, to spend my energy generously, and then to recover into something warm rather than wrecked, was not a matter of luck. It was the quiet dividend of years of practice, of returning to the breath and the body often enough that flexing and recovering had become something my system simply knew how to do.

The Rubber-Band Breath

The loveliest part is that you do not need a celebration or a free hour on a cushion to begin building this, because elasticity, like any kind of strength, is grown through small and repeated use. Here is a short practice you can return to whenever you have a few quiet minutes, and it borrows its shape from something you already know in your hands.

Settle into a comfortable seat and let your eyes close or rest softly toward the floor. As you begin, imagine that your breath is a rubber band held gently between your hands. When you breathe in, slowly and without strain, feel the band lengthen, an easy expansion that stretches outward toward the edge of its give and never to the point of snapping. When you breathe out, just as slowly, let the band recoil, an unhurried contraction back toward its resting shape, and let the exhale run a little longer than the inhale so that the return feels like a true coming home. Rest for one soft beat in the fullness at the top, and again in the emptiness at the bottom, and then begin the next stretch. Expand and release, lengthen and recoil, for perhaps ten unhurried rounds, or for as long as a few minutes will allow.

You are not trying to breathe bigger or to reach a little further each time, and you are certainly not chasing a number. You are simply working the band, and a band, like any muscle, grows more supple and more responsive the more kindly and regularly it is used. Each cycle of expansion and return is a small rehearsal of the very thing those meditators had trained without quite trying, the capacity to rise and recover, to stretch toward effort and settle back toward ease. Build your coherence this way often enough, a few minutes here and a few minutes there, and you are not adding height to any chart. You are building elasticity, teaching your body that it can open wide to whatever life asks and still find its way back to center, again and again, with a little glow left over for the road.

That, in the end, is what the afterglow has been trying to show me, on the dance floor and on the cushion alike. We are not training ourselves to feel one steady way forever. We are learning the rhythm of leaving and returning, of giving ourselves fully to the music and then letting the glow carry us home. And the quiet promise underneath the study is that this rhythm can be practiced and extended and deepened, until the afterglow becomes less an occasional gift and more a kind of fluency, a dance we are slowly learning to choreograph.

Reference

Takezawa J, Geng S, Fujino M, Miyake M, Sasahara K, Yatani K, Niida A. Daily Stress and Heart Rate Variability Among Mindfulness Meditation Practitioners: mHealth Observational Study. Journal of Medical Internet Research. 2026;28:e78244. https://doi.org/10.2196/78244