Excessive worry and racing thoughts; difficulty quieting your mind Restlessness, difficulty relaxing, a constant sense of dread and doom  Constant exhaustion and fatigue Muscle tension, chronic pain, back spasms, nausea, irritable bowel syndrome Difficulty concentrating Avoiding and procrastinating on tasks  Nervousness, dizziness, sweating Shortness of breath, tightness in the chest, heart palpitations Social anxiety Panic attacks Difficulty falling or staying asleep Feeling irritable and easily angered