Night lights are the lights that are on at night. They can be artificial, such as street lights, and can be natural, such as moon and stars. Night lights are important for a variety of reasons. First, night lights create a sense of security. They provide people with the assurance that they can safely leave their homes at night. Without night lights, people might feel anxious or unsafe when walking outside alone in the dark. Night lights are also a form of light pollution. The light emitted by night lights affects the natural environment, disrupting the circadian rhythms of plants and animals. The light can also distract people from enjoying the peacefulness of the night. Finally, night lights can be a source of beauty. Without the light of the night, people would be deprived of the chance to stare at the stars or to marvel at the beauty of the moon. Overall, night lights are a necessary and important part of our lives. They provide people with a sense of security and can be appreciated for their beauty. However, it is important to be mindful of the potential light pollution they can create.