Dear Welcome to HCM We understand your concerns I went through your details. I suggest you not to worry much. I sincerely opine that the problem you are facing now is of your own creation. You tol that you are woke up and enjoying with yur friends at 4 AM. It is quite natural that you were feeling sleepy, and were tired. The euphoria and the resultant excitement added to your tired ness. There could be some influence of substances, if you consumed some substances. Tired and sleep deprived body is bound to give you warning signs, and that was what you experienced. Don t worry. If you still need my help, please describe the whole problem in detail and post a direct question to me. I shall definitely help you with psychotherapy techniques to over come your problems. Hope this answers your query. Available for further clarifications. Good luck.