Calmness is the psychological condition of genuine feelings of calmness being free from tumult, energy, or aggravation. It likewise alludes being in a condition of quietness, peacefulness, or harmony. Calmness can most effectively happen for the normal individual during a condition of unwinding, yet it can likewise be found during substantially more alarm and mindful states. A few people find that concentrating the brain on something outer, or even inner, for example, the breathing, would itself be able to be very quieting.

Smoothness is a quality that can be developed and expanded with training, or created through psychotherapy. It more often than not takes a prepared personality to remain quiet even with a lot of various incitement, and potential interruptions, particularly enthusiastic ones. The negative feelings are the best challenge to somebody who is endeavoring to develop a quiet personality. A few teaches that advance and create tranquility are supplication, yoga, unwinding preparing, breath preparing, and contemplation. Jon Kabat-Zinn states that "Fixation is a foundation of care practice. Your care might be as strong as the limit of your brain to be quiet and stable. Without smoothness, the reflection of care will have an unsettled and uneven surface and won't have the option to reflect things with any exactness."