Night lights are the ultimate comfort object for many children. These soft glowing lights create an atmosphere of safety and well-being that can give a child the serenity to settle down and fall asleep. At night, children can be reassured that theres a source of light and that their parents are close at hand. Night lights have been around for a long time. The night light, or nightlight, dates back to the late 18th century. According to the US National Museum of American History, the first nightlight was a small oil-burning lamp known as the Nightcap. Today, night lights come in many shapes, sizes, and colors. Night lights come in several different types. The most common type of night lights are the plug-in type. These lights are plugged into an outlet and offer a soft hue of light that stays on all night. Color changing night lights, as the name suggests, cycle through multiple colors. Some lights, mostly in the shape of animals, use LED bulbs to light up, providing a cute and comforting glow to a childs room. Night lights can provide the reassurance children may need to feel safe. Many modern parents consider night lights a necessity and often include them in their childs room for it to feel warm and inviting. Whether for comfort or because of fear of the dark, night lights remain a comforting companion for many children.