Night lights are one of the most essential features of modern living. People use night lights as a source of security and comfort when they are sleeping. Night lights are available in several different forms, including wall plug-ins, battery-operated models, and motion sensor lights. Wall plug-ins are the most common types of night lights. These lights are usually small and plug into an electrical outlet. They produce a dim light in the hallway or bedroom. Battery-operated models are often used in areas without electrical outlets, such as closets and bathrooms. These lights can be moved easily and are often equipped with motion sensors to detect movement and turn on the light. Motion sensors are a great way to provide safety and security as they can detect intruders in areas of darkness. Night lights provide a sense of security and reassurance for those who are fearful of the dark. Many parents use night lights to help their children feel safe and to ensure that they can see the obstacles in their way. Night lights can also provide comfort to those who are uncomfortable sleeping without any light. Night lights are not only functional, but can also be decorative. There are a variety of designs available, ranging from basic white lights to more elaborate designs, such as animals or cartoon characters. Some night lights emit a soft glow while others are brighter and provide more illumination. Night lights are an essential part of modern living and can bring both safety and comfort to those who use them.