Dr. Hanif warmly Welcomes you! Thanks for consulting me at virtual clinic. I have carefully worked through your case, and I can realize your health worries. Being your physician, I assure you not to worry as I will take care all of your medical concerns.   I need two things checked:- 1. Your complete blood count ( it can be low hemoglobin) 2. Your blood pressure status (it may be a kind of low blood pressure, orthostatic Hypotension ) Take blood pressure when you are at rest(sitting) and right after you get up, take Blood Pressure in sitting position too. If these two reasons are ruled out, we may move furthermore towards other reasons, which may include some myopathy ( muscle problems ) etc etc. You may consult a physician for these things, or you may update me with a direct question and I will be more than happy to assist you in getting better. If you need further, detailed and quick assistance related to any health issues, feel free to ask me a question directly from my profile. You can also attach Lab reports and pictures with direct question. Have a wonderful time ahead. Please don t forget to give your valuable feedback and five star rating, to help me assist you always in a better way. Click at Thanks & I Find This Answer Helpful too. Please, write a review on my profile, about your experience with me.   Regards! DR. MUHAMMAD M. HANIF PHILADELPHIA, USA