What are the opposite words for overarousal?

Antonyms for the word "overarousal" include terms such as calmness, composure, relaxation, ease, serenity, tranquility, and peace. The opposite of being overaroused is feeling under-stimulated, which can also be described by synonyms such as boredom, inactivity, lethargy, dullness, and apathy. Finding balance between overarousal and under-stimulation is important for achieving an optimum level of arousal and maintaining emotional stability. Techniques such as deep breathing, mindfulness, exercise, and meditation can help regulate arousal levels and promote a sense of calm and relaxation in the body and mind.