"Black demons" often refer to supernatural entities or creatures depicted in various cultures and mythologies. They are typically characterized by their dark appearance and malevolent behavior. In folklore, these beings are sometimes associated with nightmares or feelings of dread, often appearing during sleep paralysis episodes. In modern contexts, "black demons" can also refer to psychological phenomena, such as anxiety or depression, which some people describe as dark figures that haunt them. This metaphorical use highlights the struggle individuals face with their mental health, illustrating how these "demons" can feel overwhelming and inescapable.