Hello Friend, Good that you are seeking a help here. Anxiety is the reason for such negative thoughts. Such anxious feelings will also influence your body functioning and hence your are getting all those discomforts. In ayurveda term it's called as imbalanced air energy or Vata. As body and mind are interlinked, such emotional imbalance can cause nervousness, sleeplessness, body pain, palpitations, constipation, lack of interest etc. So the solution here needs to be holistic and help you to bring back the control of body and mind. In ayurveda, the solution are few home remedies, lifestyle changes and therapies. If interested in alternative therapy, you can reach me for further evaluation and counseling.