Rest-and-Digest is the colloquial, yet clinically descriptive, term for the state of physiological dominance exerted by the parasympathetic branch of the autonomic nervous system (ANS). This state is characterized by decreased heart rate, reduced blood pressure, stimulated digestive activity, and enhanced nutrient absorption and storage. It is the necessary counterbalance to the sympathetic “Fight-or-Flight” state, crucial for promoting anabolism, tissue repair, and deep psychological restoration.
Origin
The term is a pedagogical tool used to simplify the complex functional duality of the autonomic nervous system, dating back to early 20th-century physiology. Its adoption in the wellness and stress-management domain emphasizes the behavioral and lifestyle interventions that can intentionally shift the ANS toward parasympathetic activity. This shift is recognized as fundamental for hormonal balance, especially in mitigating the effects of chronic stress.
Mechanism
The mechanism is mediated primarily by the Vagus nerve, which releases the neurotransmitter acetylcholine onto target organs. Acetylcholine slows the heart rate and stimulates the secretion of digestive enzymes and peristalsis in the gastrointestinal tract. Furthermore, this parasympathetic dominance reduces the release of stress hormones like cortisol and norepinephrine, creating an internal environment conducive to repair, energy replenishment, and reproductive hormone synthesis.
We use cookies to personalize content and marketing, and to analyze our traffic. This helps us maintain the quality of our free resources. manage your preferences below.
Detailed Cookie Preferences
This helps support our free resources through personalized marketing efforts and promotions.
Analytics cookies help us understand how visitors interact with our website, improving user experience and website performance.
Personalization cookies enable us to customize the content and features of our site based on your interactions, offering a more tailored experience.