Bough definition: A bough is a large branch of a tree. | Meaning, pronunciation, translations and examples English Dictionary | Thesaurus | Translator | Grammar | Scrabble | Blog English
1 Feeling disconnected from your body, or that your actions arenât your own (depersonalization).  Being in a dreamlike state, or feeling as though youâre looking at everything through a haze or fog (derealization).
Answer Wiki. Feeling light-headed or passing out is caused by a drop in blood pressure. Blood pressure is maintained primarily by the the blood vessels of the body, which contain muscle fibers allowing them to constrict. The body's ability to control which blood vessels constrict allows the body to direct blood flow.