@nikana my issues have decreased significantly after focusing on reducing inflammation and improving gut health, which has seemed to improve my non-gut issues such as my nervous system and atomic system -- either that or it has just improved on it's own over the last few months. I took many labs and scans (MRI and CT) and other tests and ruled out many of the more severe conditions and I think that has put my mind at ease helping me not worry so much. To my understanding some people but not all with long COVID aka "Post acute viral syndrome" have problems with gut health and digestion and some even have allergic or autoimmune like symptoms and I am one of them ( I have a couple existing food allergies so my gut health has always been difficult). I altered my diet to follow as closely to a Mediterranean style diet (low inflammation foods) and completely cut out alcohol and high sugar foods as well as gluten. I also take probiotics and vitamin D in the morning with food and because I was having allergic reactions after eating like hives and itchiness I also take Zyrtec once a day and in the evening I take magnesium at bedtime, as well as a low dose beta blocker that was prescribed for reducing blood pressure. I hadn't ever had any problems with blood pressure prior to this - so I assume the inflammation in my vascular system has played a role as no routine cardiac tests found problems. Since starting the beta blocker I have had normal blood pressure and less dizziness, brain fog, headaches and feel much better. Over time the "vibrating" in my head and neck has decreased to barely noticeable and I am able to sleep comfortably. My situation my be different than yours so I definitely recommend speaking with your PCP about your specific set of symptoms and rule out more severe causes and I hope you feel better soon!