Night lights, as the name implies, are a kind of lights used at night. They are also known as night lamps or night bulbs. Night lights are used to provide some illumination in darkened rooms or hallways at night, making it easier to navigate around the home after dark. Night lights are particularly useful for children who have difficulty sleeping in the dark. Many parents find that having a night light on can give their children the extra boost of reassurance they need to feeling comfortable and confident when going to bed. There are many different types of night lights available, ranging from the very basic to the more complex. Some night lights use a plug-in base, while others are battery powered. Some night lights emit a soft, soothing light, while others can be set to flash or strobe. In terms of energy efficiency, LED lights are becoming increasingly popular, as they use less energy and generate less heat than traditional light sources. LED night lights are also more affordable than ever before. At the end of the day, night lights are an invaluable tool for helping children (and adults) feel safe and secure in their own home. They can be used to light up dark corners and hallways, and they can also be used as a comforting reminder that someone is always watching over them.