Science Says Silence Is Vital For Our Brains

The good news is that spending time in silence can reverse these effects. Are you living in an environment that is consistently loud? Do you take much time for intended silence? Have you tried the 5 Days of You Challenge? If you’re the average person, you wake up to the sound of an alarm. That alarm sends you to the bathroom where you quickly get yourself ready for your workday. If you have the time, you might eat something before jumping into your car to listen to music or the radio while you sit in traffic on your way to work. Once you get there, it’s all people, customers, co-workers, cars, trucks, planes, lawn mowers, construction, phone calls, and tasks for the next 8 hours.

These noises that most of us experience in excess send our bodies into stress states, decreasing our quality of life and potentially reducing our lifespan. It appears that noise, in excess, is not healthy for humans. Silence, on the other hand, can have huge benefits, but let’s explore the damage caused by noise before we get to the benefits of silence. Before we get into the research, I’d like to note that the word ‘noise’ is said to come from the Latin word nausea, or the Latin word noxia, meaning seasickness, sickness, hurt, damage, or injury. Is it any wonder ‘noise’ is not healthy for us? Outside of your anecdotal reflection, there is scientific evidence that supports the negative effects of noise on our health.

The World Health Organisation (WHO) examined and quantified its health burden based on a European study that involved 340 million people living in Western Europe. It found that residents were cumulatively losing about a million years off their lives due to noise every year. That’s like one in every three people losing an entire year off their life due to excessive noise! A study that was published in 2011 in Psychological Science examined the effects Munich’s airport had on children’s health and cognition. Professor Gary W. Evans of Cornell University noted that the children who were exposed to noise developed a stress response that caused them to ignore the noise.

These children not only ignored harmful noises, but also regular stimuli that are important to pay attention to like speech. Wonder why people have trouble paying attention these days? Perhaps we are exposed to too much noise and too many sounds. This study is among the strongest, probably the most definitive proof that noise–even at levels that do not produce any hearing damage–causes stress and is harmful to humans. – Professor Gary Evans Going back to anecdotal evidence for a moment, I always find that staying with my friends who live in cities produces a much more uncomfortable situation for myself than when I’m in more quiet situations, or living at my quiet, somewhat isolated home in nature. I always share with friends that the environment of living in a city seems to be unhealthy; not just the air, but the energy, hustle and bustle, and the noise as well. Reading these studies clearly illustrates that it does not appear to be natural or healthy for humans to live or work in loud environments every day. Noise has been linked to high blood pressure, heart disease, tinnitus, and loss of sleep. Living in consistently noisy environments will cause you to experience much higher levels of these harmful hormones. Of course, there is something you can do about this should you take action on it, but it requires that–action. Again, pointing to anecdotal evidence for a moment, think back to the moments where you were on your own, retreating to the cottage or somewhere else quiet. Did you notice how often you NOTICED the silence? Not only that, but you likely felt a lot better after 3 or 4 hours of being there. It isn’t just cleaner air or taking some time away from work, it’s the silence and lack of distraction. This can be observed by playing loud music and partying the entire time at a cottage as well. You’ll realize it isn’t relaxing, but simply another distraction. When you contrast the two different experiences, the benefits become more clear. An interesting study observed the effects of noise, music, and silence on the brain.

The study was published in the journal Heart and found that the two minute pauses randomly placed between the ‘relaxing music’ in the study were far more relaxing for the brain than the relaxing music.

The longer the silence, the more benefits experienced by the participants. Study author L. Bernardi found that his ‘irrelevant’ blank pauses were the most important aspects of the study. Silence is heightened by contrast. So, what can you do if you experience a lot of noise and are looking to avoid loud noises or simply take a break? Firstly, the good news is that the brain recovers from too much noise over time. According to the attention restoration theory, the brain’s finite cognitive resources can begin restoring when you are in an environment with lower levels of sensory input. In silence, the brain essentially lets down its sensory guard and restores some of what has been ‘lost’ through excess noise.

The practical end of this would look like making an extra effort to be or spend time in silence. This means no music, movies, friends, conversations, phone chimes, etc, even if it’s only for 30 minutes or an hour each day. This silence would not only allow your brain to restore its cognitive functions like creativity, but it can give you the opportunity to disconnect, quiet down and connect with yourself as well. Years ago, I created a challenge called the 5 Days of You Challenge that’s designed to do just that – help people slow down, reduce noise and distraction, and connect deeper with themselves. Over the years, I have sent 180,000 people through this challenge and it has resulted in an incredible number of positive transformations. If you’re looking to: Then this challenge is something I highly recommend. I’ve made this challenge available to everyone to experience for free. You can check it out on CETV here.

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