Bright light refers to intense illumination that can be produced by various sources, such as the sun, light bulbs, or LEDs. It is characterized by high levels of brightness, which can enhance visibility and create a vibrant atmosphere. Bright light is often used in settings like photography, stage performances, and indoor lighting to draw attention or highlight specific areas. Exposure to bright light can affect human behavior and mood. For instance, natural sunlight helps regulate the body's circadian rhythm, influencing sleep patterns and overall well-being. Additionally, bright light therapy is sometimes used to treat conditions like seasonal affective disorder (SAD) by mimicking sunlight and improving mood during darker months.