Night lights are a wonderful invention. They can help people feel a sense of safety and security in the darkness，especially when they are alone. With the rise of technological advancements，illuminated night lights have been further developed in various shapes and colors. Night lights usually provide a low-level light that is enough to create a warm，gentle atmosphere. Such lights can be placed in the bedroom，hallway，or living room. Even in the dark，you can still see the outlines of furniture and other objects，allowing you to maneuver without tripping. Positive nights lights create a calming environment for those who struggle with nightmares or fear of darkness. For children，night lights can be comforting and reassuring，and they can help children feel connected to their parents，thus allowing them to sleep peacefully. Nowadays，in addition to basic night lights，there are more interesting types such as aquarium night lights，projection night lights，and Bluetooth music night lights. Some night lights are solar-powered and can be used to decorate your garden or balcony. Some are voice-controlled，and they can change their color or brightness with the sound of your voice. Night lights bring us a sense of security and safety in the darkness. They are gentle，functional，but also creative. There are so many styles to choose from that its possible to find one that will satisfy everyone.