Night lights are usually found in children's bedrooms and often have a soothing and calming effect. The light helps children reject darkness and have a safe zone within the room. It can also provide a source of comfort in the dark of the night. Night lights come in a variety of shapes and sizes, from small battery-powered units to large, plug-in designs. Many of them have night light features that are adjustable; they can be dimmed or turned off completely when it's not needed. For those looking for a decorative night light, there are many themed designs available, from traditional stars and moons to imaginative animals and cartoon characters. The most important element to consider when purchasing a night light is its brightness. Too bright and it may not provide a soothing environment; too dim and it could make finding things difficult in the dark. Look for one that has adjustable brightness settings so that it can be tailored to the individual needs of a person or a particular space. Another important factor to consider is the wattage of the bulb; look for options that will use energy efficiently and are environmentally friendly. Night lights provide a peaceful ambience, making it easier to relax and sleep. They can erase worries and provide comfort to people of all ages. They also provide security and can prevent accidents caused by stumbling in the dark. With the wide array of styles available, it should be easy to find a night light to suit any needs.