Hi, welcome to our site. I am Dr Saumya Mittal. Read your query. That is a very significant question and i appreciate your problem. I will try my best to answer your query i think your diabetes is very well controlled, maybe too well controlled. are you sure you are not developing hypoglycemia. because that could cause the feeling of weakness too. i would also suggest you have you kft, lipid profile and vitamin D levels checked. abnormality of these can cause problem too. i would also like to know what medicines you are taking. lots of medicines diabetic take can cause that. if you happen to be on stating, it can cause weakness too make sure you have lots of fluids. orthostatic hypotension is common in diabetics I hope this helps you. Inform the reports mentioned above so i can be of help further. Best of luck. I have given you the answer to the maximum considering the information provided. The results of the tests could further enhance my answer to you. Please do understand that some details could be extracted from a detailed history and examination. Looking forward to your return query with the details asked so that I can help you further. (If the answer has helped you, please indicate this)