Night lights are lights that are often used at night in large cities or other populated places. They help to light the streets, making it safer for pedestrians and cars to travel after dark. Night lights also provide a calming effect by creating a feeling of safety and security. Night lights come in a few different varieties. Traditional styles of night lights include street lights and other forms of lighting that are permanently affixed to buildings or other structures. Some cities also use solar-powered night lights in order to reduce energy costs. Others may use motion-sensing lights that turn on when people or cars pass. Regardless of the type of night light used, the purpose is always the same: to improve visibility after dark. This allows for better navigation, but also has a psychological effect. People feel safer and more secure when there is a brightly lit environment, which can reduce the fear of crime. Night lights are also beneficial from an environmental perspective. They can help reduce light pollution, which is the excess of light being produced by human-made sources. This can have harmful effects on wildlife, so its important to try to reduce it whenever possible. Night lights can make the world a little brighter and safer. Whether its solar-powered or motion-sensing lights, they can have a positive impact, both for people and the environment.