During activation of the parasympathetic nervous system, the pupils constrict.
A network of neurons called the parasympathetic nervous system allows your body to calm down after times of stress or danger. During times when you feel secure and at ease, it also aids in the operation of life-sustaining functions like digestion.
Our heart and breathing rates drop down when the parasympathetic nervous system (PSNS) is engaged, which also lowers blood pressure and stimulates digestion. Our bodies start to relax, and relaxation encourages healing. We become healthier the more time we spend in a PSNS condition.
Sometimes referred to be our "rest and digest mode," the PSNS. Together with the sympathetic nervous system (SNS), also known as our second brain, it makes up one third of our autonomic nervous system.
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