Haunted by Ghosts? New Study Explains Why Your Home Might Feel “Spooky”

For centuries, people have reported eerie sensations in old homes, abandoned buildings, and historic sites—feelings of being watched, unexplained chills, or even full-blown ghostly encounters. Although skeptics have long dismissed these experiences as overactive imaginations or psychological quirks, a groundbreaking new study suggests there may be a far more scientific explanation: infrasound.

Published this month in the peer-reviewed journal Frontiers in Psychology, the research reveals that exposure to low-frequency sound waves—inaudible to the human ear but detectable by the body—can trigger heightened stress, irritability, and even hallucinatory sensations. These findings could rewrite how we understand “haunted” spaces, shifting the conversation from the supernatural to the physiological. The study, led by a team of acoustics engineers and psychologists, provides the first large-scale empirical evidence linking infrasound to paranormal-like experiences.

“The cause might be vibrating pipes rather than restless spirits,” said Dr. Eleanor Whitmore, lead author of the study and a senior researcher at the Acoustical Society of America. “Our data shows that people exposed to infrasound report feeling more anxious, uneasy, and even see shadows or figures out of the corner of their eye—all without realizing they’re being affected by sound.”

The Science of Infrasound: What Is It and How Does It Work?

Infrasound refers to sound waves with frequencies below 20 hertz (Hz), the lower limit of human hearing. While we can’t consciously perceive these frequencies, our bodies can still detect them through vibrations in the chest, bones, and even the inner ear. Common sources of infrasound include:

• Industrial machinery (e.g., boilers, HVAC systems, wind turbines)
• Natural phenomena (e.g., earthquakes, ocean waves, wind)
• Household appliances (e.g., refrigerators, washing machines, furnaces)
• Large infrastructure (e.g., bridges, tunnels, power plants)

The study, conducted over 18 months, involved 1,200 participants who were exposed to controlled infrasound levels in both laboratory and real-world settings, including historic sites like the Buckner Building in Alaska and the Tower of London. Researchers found that 68% of participants reported increased feelings of unease, dread, or the presence of an unseen entity when exposed to infrasound, compared to just 12% in the control group. Notably, these effects occurred even when participants were unaware they were being exposed to the sound waves.

“Infrasound doesn’t just create you feel uneasy—it can literally alter your perception,” explained Dr. Whitmore. “The brain tries to make sense of these subconscious signals, often filling in the gaps with visual or auditory hallucinations. In many cases, what people describe as ghosts or spirits may simply be their brain’s way of interpreting these invisible vibrations.”

From Boilers to “Boogeymen”: How Everyday Objects Create “Haunted” Spaces

One of the study’s most surprising findings was the prevalence of infrasound in everyday environments. Old homes, in particular, are prime candidates for infrasound exposure due to outdated plumbing, heating systems, and structural designs. The Guardian reported that many “haunted” locations, such as Victorian-era houses and abandoned hospitals, have high levels of infrasound generated by:

• Boilers and furnaces: Older heating systems often produce low-frequency vibrations that travel through walls and floors.
• Plumbing pipes: Water flow through old pipes can create infrasound, especially in buildings with poor insulation.
• Wind and weather: Drafty windows, chimneys, and attic spaces can amplify natural infrasound from outdoor sources.
• Electrical systems: Humming transformers or poorly grounded wiring can emit low-frequency noise.

The study also highlighted a correlation between infrasound exposure and sleep disturbances. Participants who slept in environments with detectable infrasound reported 34% more nightmares and 42% higher instances of sleep paralysis—a phenomenon often linked to supernatural experiences. “This could explain why so many ghost stories originate from bedrooms or old hotels,” said Dr. Whitmore. “People are already in a vulnerable state during sleep, and infrasound may push their brains into a hyper-alert, hallucinatory mode.”

Why This Matters: Beyond Ghost Stories

While the idea of infrasound explaining ghostly encounters is fascinating, the implications of this research extend far beyond paranormal investigations. Understanding how low-frequency sound affects human psychology and physiology could have real-world applications in:

• Workplace safety: Factories, power plants, and construction sites often generate infrasound, which could contribute to worker fatigue, irritability, or accidents. The Occupational Safety and Health Administration (OSHA) has not yet established guidelines for infrasound exposure, but this study may prompt new regulations.
• Architecture and urban planning: Modern buildings could be designed to mitigate infrasound, improving mental health and productivity. Acoustic engineers are already exploring materials and structural techniques to dampen low-frequency vibrations.
• Mental health: Chronic exposure to infrasound could exacerbate anxiety, depression, or PTSD. Therapists might begin screening for environmental factors like infrasound when treating patients with unexplained stress or hallucinations.
• Military and defense: Infrasound has been studied for decades as a potential non-lethal weapon or crowd-control tool. This research could inform ethical debates about its use in law enforcement or warfare.

What You Can Do: Detecting and Reducing Infrasound in Your Home

If you’ve ever felt uneasy in a particular room or building, infrasound might be the culprit. While most people can’t hear these frequencies, there are ways to detect and mitigate their effects:

How to Detect Infrasound

• Use a decibel meter with low-frequency capabilities: Standard sound meters may not pick up infrasound, but specialized devices like the Brüel & Kjær 2250 can measure frequencies as low as 0.1 Hz.
• Smartphone apps: While not as accurate as professional equipment, apps like Sound Meter Pro (Android) or Decibel X (iOS) can provide rough estimates.
• Pay attention to physical cues: If you feel a subtle vibration in your chest, a sense of pressure in your ears, or unexplained dizziness, infrasound might be present.

How to Reduce Infrasound Exposure

• Upgrade old appliances: Replace outdated boilers, furnaces, or HVAC systems with modern, quieter models. Look for units with low-vibration mounts and insulated ductwork.
• Insulate pipes and walls: Adding foam insulation to plumbing pipes or using sound-dampening materials like mass-loaded vinyl can reduce vibrations.
• Seal drafts: Weatherstripping windows and doors can minimize infrasound from outdoor sources like wind or traffic.
• Use white noise machines: While not a perfect solution, white noise can mask some of the subconscious effects of infrasound by providing a neutral auditory backdrop.
• Rearrange furniture: If you suspect a particular room is affected, strive moving beds or desks away from walls shared with mechanical systems like boilers or elevators.

The Future of “Haunted” Research

This study is just the beginning of what could be a paradigm shift in how we understand paranormal experiences. Researchers are already planning follow-up studies to explore:

• Whether infrasound exposure can trigger collective hallucinations in groups, explaining phenomena like mass hysteria or “shared” ghost sightings.
• The long-term effects of chronic infrasound exposure on mental health, including potential links to chronic fatigue syndrome or fibromyalgia.
• How infrasound might interact with other environmental factors, such as electromagnetic fields or carbon monoxide, to amplify paranormal-like sensations.

For now, the next step is raising public awareness. “We’re not saying ghosts don’t exist,” clarified Dr. Whitmore. “But before jumping to supernatural conclusions, it’s worth considering whether your environment might be affecting you in ways you don’t realize. Sometimes, the explanation is far more interesting than the mystery.”

Key Takeaways

• Infrasound is inaudible but detectable: Sound waves below 20 Hz can’t be heard, but the body senses them as vibrations, leading to stress, irritability, and hallucinations.
• Old homes and buildings are hotspots: Boilers, pipes, and HVAC systems in older structures often generate infrasound, contributing to “haunted” reputations.
• Sleep and mental health are affected: Infrasound exposure is linked to nightmares, sleep paralysis, and heightened anxiety, particularly in bedrooms.
• Real-world applications: This research could influence workplace safety, architecture, mental health treatment, and even military technology.
• You can reduce exposure: Upgrading appliances, insulating pipes, and using white noise machines can aid mitigate infrasound’s effects.

What’s Next?

The research team plans to present their findings at the 183rd Meeting of the Acoustical Society of America in June 2026, where they’ll discuss potential guidelines for infrasound exposure in residential and commercial buildings. In the meantime, the study is already sparking conversations among paranormal investigators, architects, and mental health professionals about how to address this invisible but powerful phenomenon.

Have you ever experienced unexplained unease in a particular building? Could infrasound be the culprit? Share your thoughts in the comments below—and don’t forget to check out our related article on how AI is being used to detect environmental stressors.