The prefrontal cortex is a part of the brain that is involved in higher cognitive functions, such as planning, decision-making, working memory, and self-control.
Cortisol is a hormone that regulates various processes in the body, such as metabolism, immune response, and stress. It is produced by the adrenal glands and released into the bloodstream
Nightmares are unpleasant dreams that cause fear, anxiety, or distress. They usually occur during the rapid eye movement (REM) stage of sleep, when the brain is most active and vivid dreaming happens.