Hello Friend, Good that you are seeking a help here. You are right. All your symptoms are related to Anxiety and in turn fear. As mind and body are interlinked, your anxious feeling also influence body functioning and causing you distrubed sleep, nervousness, negative dreams, digestion problem, body pain, palpitations and many more. In ayurveda term, such problems are due to imbalanced air energy or Vata in the body. So the solution needs to be  holistic approach to ensure body and mind are balanced. You need counseling guidance to control the anxious thoughts. In ayurveda, the solution are either home remedies or few lifestyle changes or therapies. But it needs detailed assessment of your current condition to recommend appropriate solutions. Reach me online for further evaluation and counseling.