To reduce your stress levels, meditate for 15-20 minutes daily. Meditation will also restore your body to a calm state.

Meditation activates the left pre-frontal cortex, while reducing activity in the right pre-frontal cortex of the brain. As the left frontal cortex is associated with calmness, peace, happiness and other positive feelings you get reduced stress level and improved mood. This also decreases the tightness of your muscles, lowers your blood pressure, and increases the number of "feel good" endorphins.