The Light Inside Us: From Biophotons to FireLight®

Exploring the Science and Mystery of the Body’s Radiance

FireLight® full-spectrum infrared sauna therapy does more than support physical healing, it reawakens the body’s innate intelligence through light. This post explores the science behind biophotons, mitochondrial activation, and the parasympathetic nervous system, while also honoring the deeper, spiritual effects many users experience. Learn how full-spectrum incandescent light can restore circadian rhythm, boost cellular coherence, and offer a ritual of reconnection. Backed by emerging research and user data, this is a new way to understand light—not just as a tool for detox, but as a path to wholeness.

What You’ll Discover in This Article

• Light as origin: ancient traditions and the first spark
• The body’s inner glow: biophotons and cellular radiance
• Our FireLight® Spectrum: designed for biological resonance
• Mitochondria as light engines: powering you from within
• Spiritual benefits: user-reported clarity and presence
• Biophoton signaling: how your cells communicate with light
• The sauna as temple: creating space for inner stillness
• Light and remembrance: returning to your essential self

In Every Tradition, There Was Light

Light was always the beginning.

Across time and culture, humanity has placed light at the origin of life. The Book of Genesis begins not with matter, but with illumination. The Rig Veda sings of a golden, self-luminous embryo. The Tao speaks of the source that cannot be named, shining through all forms. In the mystic lexicons of Kabbalists, Sufis, and Quakers alike, light is not a metaphor—it is presence, origin, and knowing.

For centuries, we treated this symbolism as poetic. But as science has deepened its gaze into the body and the cell, it has begun to echo what the mystics have long intuited: light is fundamental to who we are.

You Are Made of Light

Your cells shine with ancient intelligence.

Each cell in the human body emits biophotons—ultra-weak bursts of visible and near-visible light. These emissions are not the byproduct of heat but of metabolism, coherence, and communication. Researchers have captured this phenomenon with sensitive imaging tools, revealing that we literally glow in the dark [1]. The glow follows a circadian rhythm—brightest in the afternoon, dimmest at night—suggesting an intimate link between our internal clocks and our internal radiance.

These photons are coherent, meaning they move with a kind of internal order. In health, the body shines with subtle harmony. In illness, the light dims or scatters. Early biophoton researchers like Fritz-Albert Popp proposed that these emissions may serve as a communication system within the body [2], orchestrating cellular behavior the way light guides a plant toward the sun.

Light is not an accessory to life. It is a language the body speaks fluently.

FireLight® and the Spectrum of Healing

A spectrum designed to speak the body’s language.

The FireLight® Spectrum was engineered not merely to imitate nature, but to resonate with it. Drawing from the wavelength ranges of both sunlight and firelight, FireLight® delivers a full-spectrum incandescent glow—from the visible red range (~600 nm), through the near-infrared therapeutic window (~980–1500 nm), and gently extending into the mid- and far-infrared.

This analog spectrum, free of flicker and electromagnetic distortion, supports both photobiomodulation and thermal detoxification. The red and near-infrared bands stimulate mitochondrial activity [3], increase ATP production, improve blood flow, reduce oxidative stress, and accelerate wound-healing [4].

Mid-infrared rays penetrate more deeply into tissue, supporting circulation, lymphatic flow, and the gentle mobilization of toxins.

Unlike LED-based devices, which often spike in narrow, digitally generated peaks, FireLight® radiates a continuous, smooth curve—an unbroken whisper of the sun’s healing tone. This matters. The body does not recognize fragmented light as easily. Just as you would not feed a child fragmented food, we should not feed our cells fragmented light.

The Mitochondrial Flame

Light feeds your cells, and your cells respond.

Mitochondria—often called the powerhouses of the cell—are also light-sensitive structures. One of their key enzymes, cytochrome c oxidase, is activated by red and near-infrared light. When stimulated, it releases nitric oxide, increases energy production [5], and supports cellular resilience and reverses mitochondrial dysfunction [6].

This isn’t theoretical. It’s measurable. Mitochondrial efficiency improves. Inflammation decreases. Hormone production rebalances. And the felt sense of vitality returns.

NASA has used red light therapy to prevent bone and muscle loss in astronauts. Elite athletes use it to enhance performance and recovery. For everyday people, the effects are just as profound: more energy, faster healing, sharper cognition—and for many, a deep sense of well-being that defies quantification.

The Inner Glow: More Than Metabolism

Stillness is a form of healing.

While FireLight®’s physiological effects are well-established, something else happens inside the tent. A stillness emerges. Not simply the absence of noise, but the presence of coherence.

More than 60% of SaunaSpace users report not just physical, but spiritual benefits [7]. They describe moments of insight. A feeling of coming home to themselves. Clarity that arrives not with struggle, but with presence.

This may be due, in part, to the parasympathetic shift that FireLight® promotes. As the nervous system downshifts from fight-or-flight into rest-and-restore, brainwaves slow into theta frequencies—the same patterns seen in deep meditation and dreaming. The prefrontal cortex re-engages. Emotional patterns soften. Inner guidance becomes accessible. And the body, for once, is not defending itself. It is listening.

Biophoton Signaling: A Hidden Language

Your body may speak in light.

New research suggests that cells may use biophotons not just as byproducts of metabolism, but as a signaling mechanism [8]. In controlled experiments, when stressed cells were separated from healthy ones by quartz glass—allowing only light to pass—the healthy cells began to show stress responses too.

This suggests that light itself may carry biological messages—messages of coherence, alignment, or dysregulation. When users speak of “feeling more clear” after a FireLight® session, it may not be metaphor at all. Their cellular systems may quite literally be communicating more harmoniously.

A Tent, a Temple

Sacred space begins with intention.

In ancient architecture—from Egyptian solar sanctuaries to Gothic cathedrals—space was designed to magnify and guide light. A beam falling at solstice. A rose window catching morning sun. Light was not decoration. It was the sacred.The FireLight® tent does something similar. You bow to enter. The red glow surrounds you. The walls are bare, the silence intentional. What arises in that space is more than heat—it is reverence.

Here, users often describe a softening of identity. A loosening of the narratives that constrict us. A breath that feels like the first in weeks.You are not escaping the world. You are returning to yourself.

Light, Coherence, and Becoming Whole

To remember who you are is to heal.

To understand FireLight® only through the lens of detox or inflammation is to miss its deeper invitation. This is not merely a tool of repair. It is an architecture of resonance—a chamber of coherence in a dissonant world.

Light restores us not only because it fuels our cells, but because it reminds us of a deeper order: a rhythm older than stress, a pulse that existed before the interruptions of modern life.

When you sit in that glow, you do not simply sweat. You remember.

References

[1] Kobayashi M, Kikuchi D, Okamura H. Imaging of ultraweak spontaneous photon emission from human body displaying diurnal rhythm. PLoS One. 2009 Jul 16;4(7):e6256. doi: 10.1371/journal.pone.0006256. PMID: 19606225; PMCID: PMC2707605.

[2] Popp, Fritz-Albert. (2008). Consciousness as Evolutionary Process Based on Coherent States. NeuroQuantology. 6. 10.14704/nq.2008.6.4.199. 

[3] Hamblin MR. Mechanisms and applications of the anti-inflammatory effects of photobiomodulation. AIMS Biophys. 2017;4(3):337-361. doi: 10.3934/biophy.2017.3.337. Epub 2017 May 19. PMID: 28748217; PMCID: PMC5523874.

[4] Karu T. Photobiology of low-power laser effects. Health Phys. 1989 May;56(5):691-704. doi: 10.1097/00004032-198905000-00015. PMID: 2651364.

[5] de Freitas LF, Hamblin MR. Proposed Mechanisms of Photobiomodulation or Low-Level Light Therapy. IEEE J Sel Top Quantum Electron. 2016 May-Jun;22(3):7000417. doi: 10.1109/JSTQE.2016.2561201. PMID: 28070154; PMCID: PMC5215870.

[6] Waisberg E, Ong J, Masalkhi M, Lee AG. Near infrared/ red light therapy a potential countermeasure for mitochondrial dysfunction in spaceflight associated neuro-ocular syndrome (SANS). Eye (Lond). 2024 Sep;38(13):2499-2501. doi: 10.1038/s41433-024-03091-4. Epub 2024 May 3. PMID: 38702514; PMCID: PMC11385221.

[7] SaunaSpace User Feedback Survey, Internal Report (2024). Over 1,000 participants.

[8] Tong J. Biophoton signaling in mediation of cell-to-cell communication and radiation-induced bystander effects, Radiation Medicine and Protection. Volume 5, Issue 3, 2024, Pages 145-160. ISSN 2666-5557. doi: 10.1016/j.radmp.2024.06.004.