The Parasympathetic Nervous System: Your Body's Natural Stress-Reliever

The Parasympathetic Nervous System: Your Body's Natural Stress-Reliever


In our fast-paced world, stress and anxiety have become common companions for many. But, there’s a built-in mechanism in our bodies that can help us combat these feelings: the parasympathetic nervous system. This crucial component of our autonomic nervous system plays a vital role in promoting relaxation, reducing stress, and maintaining overall well-being. In this blog post, we’ll delve into what the parasympathetic nervous system is, what it does, why it’s essential, and how you can activate it.

Understanding the Parasympathetic Nervous System

The autonomic nervous system consists of two primary branches: the sympathetic and the parasympathetic nervous systems. The sympathetic nervous system is responsible for the “fight or flight” response, which prepares the body for action during times of stress, danger, or excitement. In contrast, the parasympathetic nervous system is often referred to as the “rest and digest” system. It acts as a counterbalance to the sympathetic system, promoting relaxation and recovery.

What the Parasympathetic Nervous System Does

The parasympathetic nervous system performs several crucial functions:

Slows Heart Rate: It reduces the heart rate, allowing the body to conserve energy and maintain a calm state.

Stimulates Digestion: The parasympathetic system enhances gastrointestinal activities, ensuring proper digestion and nutrient absorption.

Relaxes Muscles: It helps relax muscles and promotes overall bodily rest.

Reduces Stress Hormones: It decreases the production of stress hormones, like cortisol, which can lead to feelings of anxiety and tension.

Enhances Immune Function: An activated parasympathetic system boosts the immune response, improving the body’s ability to fight off illnesses.

Fat Loss and Muscle mass: The parasympathetic system plays a supportive role in these endeavors by ensuring that your body is functioning optimally and recovering effectively. Helping with sleep, energy and nutrient storage, the parasympathetic system has obvious benefits. However, I would suggest that maintaining hormonal balance is one of the most crucial roles. Hormones like insulin, growth hormone, and testosterone play crucial roles in muscle development and fat metabolism. A balanced hormonal environment is more conducive to muscle growth and fat loss.

Anti-aging: Activating the parasympathetic nervous system can aid in anti-aging efforts by reducing stress and stress-related hormones, improving sleep quality for cellular repair, enhancing immune function, optimizing digestion and nutrient absorption, promoting cellular repair, reducing inflammation, and contributing to overall mental and emotional well-being. While it isn’t a direct anti-aging solution, parasympathetic activation indirectly supports a more youthful appearance and better health by mitigating the effects of chronic stress, bolstering the immune system, and maintaining efficient bodily functions necessary for aging gracefully. When combined with a healthy lifestyle, it becomes a valuable component of an anti-aging strategy that supports a more youthful, vibrant, and well-balanced life as one grows older.

Why the Parasympathetic Nervous System is Essential

The parasympathetic nervous system is essential for maintaining a healthy balance in the body. Chronic activation of the sympathetic system, without adequate parasympathetic counteraction, can lead to stress-related health issues, including cardiovascular problems, digestive disorders, and weakened immune function. Therefore, it’s crucial to activate the parasympathetic nervous system regularly to maintain optimal well-being.

How to Activate the Parasympathetic Nervous System

Deep Breathing: Engaging in deep, diaphragmatic breathing can stimulate the parasympathetic system. Try inhaling for a count of four, holding for four, and exhaling for a count of four. Repeat this cycle several times.

Meditation: Mindfulness meditation and yoga encourage relaxation and are excellent ways to activate the parasympathetic system.

Hot Tub Therapy: A soak in a hot tub is an enjoyable and effective method to activate the parasympathetic nervous system. The warm water, buoyancy, and the soothing sensation of a hot tub help to reduce stress and promote relaxation.

What about a TENS unit?
A TENS (Transcutaneous Electrical Nerve Stimulation) unit is primarily used for pain management and muscle stimulation. While a TENS unit can indirectly support parasympathetic activation through pain management, muscle tension reduction, stress reduction, and improved sleep, it is not a direct parasympathetic stimulator. Nonetheless, using a TENS unit can be a valuable part of a comprehensive approach to managing muscular issues, pain, and overall well-being. It’s essential to consult with a healthcare professional before using a TENS unit, especially if you have specific medical conditions or concerns.

Swinging and Parasympathetic Activation: A Soothing Experience

Swinging isn’t just a childhood pastime; it’s a therapeutic activity that can benefit people of all ages. Beyond its calming effects, swinging has been studied in various contexts, including its potential to activate the parasympathetic nervous system, benefiting people with conditions like Alzheimer’s and children with autism. In addition to its mental health benefits, some experts even propose that the sensation of swinging can imitate the weightlessness of a womb. Let’s explore how this simple yet profound activity can be a gateway to relaxation and well-being.

Swinging and Alzheimer’s Studies

Research suggests that swinging may have a positive impact on individuals with Alzheimer’s disease. The rhythmic motion and sensory engagement that swinging provides can help soothe agitated behaviors, reduce anxiety, and enhance overall emotional well-being in people living with Alzheimer’s. The gentle sway appears to stimulate the parasympathetic nervous system, offering a moment of respite from the cognitive challenges associated with this condition.

Swinging and Children with Autism

Swinging is also recognized for its therapeutic benefits in children with autism spectrum disorders. Many children with autism find comfort in repetitive, rhythmic movements, and swinging provides just that. It can be a means of self-soothing and a way to regulate sensory input. By creating a soothing environment, swinging can help these children relax and possibly stimulate their parasympathetic systems, which in turn can reduce stress and improve emotional regulation.

Imitating the Weightlessness of the Womb

One fascinating theory behind the soothing effects of swinging relates to the idea that it imitates the weightlessness and rhythmic motion of the womb. This concept is based on the belief that the rhythmic rocking experienced in utero has a calming effect on the developing baby. When individuals swing, they may be unconsciously recreating this familiar and comforting sensation, which activates the parasympathetic nervous system, promoting relaxation and well-being.

Hot Tubs and Parasympathetic Activation

Hot tubs provide an ideal environment for activating the parasympathetic nervous system. The combination of warm water and hydrotherapy jets can relax muscles, ease tension, and promote a sense of tranquility. This sensory experience encourages the body to switch from “fight or flight” mode to “rest and digest” mode, thereby activating the parasympathetic system. Regular hot tub sessions can help reduce stress and improve overall well-being.


The parasympathetic nervous system is a crucial component of our autonomic nervous system, responsible for promoting relaxation and reducing stress. Activating it regularly is essential for maintaining overall well-being and health. Whether you prefer the luxury of a hot tub or the simple pleasure of swinging, there are enjoyable ways to stimulate your parasympathetic system and bring balance to your life. So, next time you’re feeling stressed or overwhelmed, consider taking a dip in a hot tub or reliving the joy of swinging – your body and mind will thank you.

Click here for a BONUS meditation created by my beautiful daughter!