Dear Welcome to HCM We understand your concerns I went through your details. I suggest you not to worry much. Waking up anxiously is not a singular cause. Such incident happen because you slept with anxiety. Stress, worries, anxiety etc carries on with the sleep during the sleep and surface with waking up. Some time we never sleep consciously. Unconscious mind is awake, worrying, anxious, stressed. Then we get up worried, stressed and anxious. You should learn to relax before sleeping. Meditation before going to sleep shall be of great help. Relaxation and breathing exercises should help you feel good. If you require more of my help in this aspect, Please post a direct question to me in this website. Make sure that you include every minute details possible. I shall prescribe some psychotherapy techniques which should help you cure your condition further. Hope this answers your query. Available for further clarifications. Good luck.