Watch a funny movie. Think of things that made you laugh in the past. Write down ten things that you have enjoyed doing in the past Pick two of three, and write them into your schedule. Practice especially at the moment when you feel uptight, anxious, or angry. Learning to be aware of your breathing, and to control your breathing is often considered one of the first steps toward controlling the physical and mental effects of stress.
Chest breathing is shallow.
The shoulders often rise with each breath and only the chest expands. This results in poor exchange of stale air for fresh air. This also contributes to fatigue, because the body's cells don't receive the required oxygen necessary for effective functioning. People tend to increase shallow chest breathing when stressed. Conversely, shallow breathing can contribute to feelings of stress.