Compounds in certain fresh loose leaf teas may help ease stress and tension, encouraging a state of relaxation due to a natural tranquilizing effect on the body. In fact, I personally have had the best night's sleep after sipping on a cup of green tea prior to bed- despite the caffeine content.
Green tea in particular provides the benefits of mental alertness and keen focus associated with caffeine, yet without the “jittery” feeling often experienced as a side effect of coffee, for example. Try green tea prior to a job interview or test for optimum focus and feeling of calm.
L-theanine exhibits anti-anxiety effects by increasing dopamine levels in the brain, and also appears to decrease blood pressure.
Green tea is known to have a natural tranquilizing effect on the body; promoting a restful night's sleep. Have you ever noticed that people who drink green tea are often calmer?