When you first get your braces on, your teeth will hurt for a few days, as they will every time you get your braces tightened or your wires changed.
Always follow the recommended dosage and check with your doctor first if you are taking other medication. Kava kava (piper methysticum). The effectiveness of Kava in anxiety conditions has been proven in clinical studies. It appears from research that it may have a directly soothing effect on the amygdala (the main part of the brain involved in the fear response) and this makes it a particularly useful herb for anxiety problems.
Some herbal supplements reduce anxiety without making you sleepy (such as L-theanine), while others are sedatives. Valerian (Valeriana officinalis) is squarely in the second category. It is a sleep aid, for insomnia. It contains sedative compounds; the German government has approved it as a treatment for sleep problems. Valerian smells kind of nasty, so most people take it as a capsule or tincture, rather than a tea.