How Long COVID Affects the Nervous System​

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When  you catch COVID your nervous system perceives the infection as a threat and triggers primitive survival modes (fight-or-flight or freeze). For Long COVID patients, this system can fail to turn off, leading to disorders that severely disrupt recovery.

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A widespread and debilitating complication of Long COVID is Dysautonomia, a dysfunction of the Autonomic Nervous System (ANS). 

The Autonomic Nervous System

When impaired, these core processes become highly irregular:

• Heart Rate & Blood Pressure: Unexplained fluctuations, heart palpitations, and tachycardia.

• Digestion: Chronic nausea, bloating, and gut distress.

• Temperature Regulation: Intolerance to heat or cold. 

• Bladder Issues: 

Common Symptoms

The irregular signaling of the ANS leads to a cascade of physical and neurological symptoms, including:

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• Extreme fatigue and exercise intolerance

• Dizziness, lightheadedness, and fainting upon standing

• Cognitive impairment (brain fog, confusion)

• Anxiety and insomnia 

• Increase in heart rate or blood pressure when standing (POTS)​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​

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ME/CFS and similarities with Long COVID

It is true that Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS) and Long COVID share a  connection.  In fact, studies show that nearly half of those navigating Long COVID meet the criteria for ME/CFS.

How the Symptoms Overlap:

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• Post-Exertional Malaise (PEM): This is a profound crash or worsening of symptoms after even minor physical, mental, or emotional effort.

• Brain Fatigue: A  symptom making it hard to concentrate, remember words, or process thoughts clearly.

• Exhaustion: A deep, heavy fatigue that a night of sleep simply cannot fix.

• Unrefreshing Sleep: Waking up feeling just as tired as when you went to bed.

• Dizziness: Feeling lightheaded or experiencing a racing heart when sitting up or standing.

What is Happening inside the Body

• Immune System Changes: In both conditions, the immune system stays on high alert, causing ongoing inflammation.

• Energy Production: On a cellular level, the body struggles to turn oxygen and nutrients into energy, making everyday tasks feel like running a marathon.

• Blood Flow: Microscopic changes in blood vessels can make it harder for oxygen to reach the brain and muscles efficiently.

• Viral Triggers: While ME/CFS can start after many different types of viruses, Long COVID begins with SARS-CoV-2. However, both can sometimes wake up old, dormant viruses in the body.

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​How the Safe and Sound Protocol Supports Recovery

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The SSP works by playing music that contains specific frequencies and modulations. These sounds encourage the vagus nerve to function more effectively. Improved vagal tone and helps balance the autonomic nervous system, which can reduce symptoms l on the Polyvagal Theory, the SSP retrains the nervous system by repeatedly broadcasting mid-range frequencies of the human voice that the body perceives as safe.

By directly "exercising" the middle ear muscles and vagal tone, the protocol helps shift the body out of defensive states (fight, flight, or freeze), which can alleviate debilitating symptoms such as: 

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• Fatigue and brain fog

• Rapid heartbeat and dizziness

• Insomnia

• Anxiety and depression ​

• Digestive imbalances

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Clients who complete the listening therapy frequently report feeling calmer, more emotionally resilient, and more socially engaged. Clients who have tried SSP report feeling calmer and more focused. Some also notice better sleep, less fatigue and cognitive issues.

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Formal research on SSP  for Long COVID an ME continues to expand, clinical observations and emerging evidence indicate it can be a highly valuable tool for autonomic recovery. By targeting the nervous system directly, SSP offers a non-invasive way to help people with Long COVID/C ME manage symptoms related to Dysautonomia and POTS.

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