We’ve learned to recognize what makes a space feel good.
Natural light, fresh air, materiality, and connection to nature have become essential ingredients in how we shape healthier environments. These elements are now widely understood, measured, and intentionally designed.
Alongside them, another layer is present in almost every space we inhabit, quiet, unseen, and rarely part of the design conversation: electromagnetic fields (EMFs).
They are embedded in the infrastructure of modern life, supporting connectivity, communication, and the systems we rely on daily. Their presence is constant, forming part of the environmental background of contemporary living.
As time spent indoors and connected continues to increase, so does the relevance of understanding how these conditions interact with the body.
The human body operates through finely tuned electrical processes. Neural communication, cardiac rhythms, and cellular activity all rely on bioelectrical signaling. Within this context, the environments we occupy become part of a continuous exchange with our physiology.
Research compiled by the Building Biology Institute points to associations between elevated electromagnetic exposure and changes in sleep patterns, nervous system activity, cognitive fatigue, and hormonal regulation, particularly melatonin.
Melatonin plays a central role in circadian rhythms and cellular repair. Even subtle variations in its natural cycle can influence how deeply we rest and how effectively the body recovers.
These interactions are still being explored, yet they begin to outline a relationship between electromagnetic environments and human regulation.
This relationship becomes most perceptible in moments when the body is seeking rest.
During a stay in Medellín, I experienced persistent difficulty sleeping. There was no noise, no light disturbance, no obvious external trigger—only a continuous sense of alertness, as if the body could not fully settle.
I later identified a telecommunications antenna positioned immediately adjacent to the building. From my own sensitivity to electromagnetic environments, the connection felt clear.
After relocating, sleep returned to its natural rhythm.
The experience offered a simple but important reminder:
The body can register environmental conditions with a level of precision that we are still learning to measure.
Rooftop cellular base station integrated within a residential neighborhood in Medellín. These installations provide essential connectivity while contributing to the electromagnetic landscape of urban environments.
Scientific research is increasingly exploring these dynamics.
Studies suggest potential interactions between electromagnetic exposure and melatonin secretion (Burch et al., 2002; Reiter et al., 2010), brainwave activity during sleep (Huber et al., 2002), and autonomic nervous system regulation (Thielens et al., 2018).
Electromagnetic hypersensitivity (EHS) has also been described in individuals reporting symptoms such as sleep disturbance, headaches, and difficulty concentrating. The World Health Organization acknowledges these experiences, while ongoing research continues to investigate underlying mechanisms.
Together, these insights point toward a growing awareness: environmental conditions, both visible and invisible, can influence how the body regulates, rests, and recovers.
Sleep often becomes the first place where these influences are felt.
It is a state in which the body shifts into restoration, supporting hormonal balance, immune function, and neurological repair. For this process to unfold, the nervous system moves into a state of regulation.
Environmental conditions that introduce subtle stimulation can influence sleep depth, continuity, and overall recovery. Within this context, the design of spaces intended for rest carries a deeper responsibility.
As awareness evolves, design approaches are beginning to respond with greater intentionality.
This includes creating distance between electromagnetic sources and sleeping areas, prioritizing wired connections where appropriate, reducing electrical infrastructure near the headboard, organizing spatial zones based on levels of exposure, and lowering wireless activity during nighttime hours.
These strategies do not remove technology. They refine how it is integrated, allowing environments to support both connectivity and physiological balance.
Rethinking Comfort at an Invisible Level
At our Ancestral Handmade Hotels, the design approach considers both visible and subtle environmental conditions within the guest experience.
Technology is thoughtfully integrated rather than eliminated. Connectivity is supported through designated areas and emerging solutions such as electrified glazing, while sleeping zones are designed to minimize electrical exposure, avoiding infrastructure behind headboards and removing WiFi from within the room.
These decisions are guided by a clear intention: to support deeper rest by creating environments that feel calm, grounded, and physiologically supportive.
“The body rests more deeply in environments where the invisible is thoughtfully harmonized.”
A Crystal bungalow at Ancestral Santa Elena. Designed to support restorative sleep through materiality, spatial geometry, and reduced electromagnetic exposure within sleeping zones.
The definition of environmental quality continues to evolve.
Air, light, water, and materials are now widely recognized as essential to well-being. Electromagnetic exposure introduces another dimension, less visible, yet increasingly relevant.
The research continues to grow. The awareness continues to deepen.
Within this expanding understanding, design holds an opportunity to support the body more comprehensively, through both what is immediately perceived and what operates more quietly in the background.
Wellness in the built environment is expressed through layers.
Some are visible. Others are subtle.
Each one contributes to how a space is experienced over time.
Selected Research & References
- Burch, J. B., Reif, J. S., & Yost, M. G. (2002). Geomagnetic disturbances are associated with reduced nocturnal melatonin excretion in humans. Neuroscience Letters.
- Huber, R., Treyer, V., Borbély, A. A., et al. (2002). Exposure to pulsed high-frequency electromagnetic fields during waking affects human sleep EEG. Journal of Sleep Research.
- Reiter, R. J., Tan, D. X., & Korkmaz, A. (2010). The circadian melatonin rhythm and its modulation by electromagnetic fields. Journal of Physiology and Pharmacology.
- Thielens, A., Bell, D., Mortimore, D. B., et al. (2018). Exposure of the human body to electromagnetic fields in 5G wireless communications. Scientific Reports.
- World Health Organization. Electromagnetic fields and public health: Electromagnetic hypersensitivity.
- Building Biology Institute. Building Biology Evaluation Guidelines for Sleeping Areas.
- BioGeometry. Principles of energy balance in built environments.
- León, P. Geobiology and environmental influences on human health.
