My head ,like around.

Am often feeling a dizziness,as darkness in eyes, and balance destroy, if am waking up, as am stay a few times to feel better, What is it means?Does doctor help me,.
Neurologist Belova Answers you.
These signs are directing on the orthostatic hypotension, as lowering pressure in vessels, as in vertical position, and this is a not a disease,this is imperfections of human s organism.As long time ago our ancestors are walked as straight, as before they are walked on four legs, after stayed. As needing a time that they are formed mechanism of regulation and keeping pressure in head brain as in vertical position. As use a bottle till half filled a water,and put horizontally, and water spreading right on an from  all size, and put vertically her, water will lead in low part of bottle.And our organism is vessel, and if not worked are special mechanism of regulation,when human woke up, blood would cast from Brain and ishemia displayed as of cerebral brain as bleeding.And on evolution processes are formed an especial mechanism,which not blood to bleeding flow from the brain in transfer for vertical position .But these mechanism are young in historic size and not stable,and in every from us,who is long lie with virus in bed and after wake up fast from the bed will display darkness in eyes and dizziness, and in healthy person this is faster removes. And such symptoms having in cosmonauts as returning from gravity.And visiting to the doctors if these symptoms are often display, and in fast wake up and in parkinson, polyneuropathy such symptoms are displaying,when dead are vegetative nerves tissues,answering for the managing are vessels.