Night Lights can provide us with a feeling of security and comfort, by diminishing the darkness of the night and providing soft warm illumination. But theres more to night lights than just providing a source of illumination and safety when the sun goes down. Studies have shown that the color of light emitted by night lights is important. Red light used to be the most popular, since it allows for better sleep. But blue light can also be beneficial. Blue light, emitted from cell phones or other blue light sources, including night lights, stimulates the brain and increases alertness. Whats more, blue light has the ability to improve moods and help people sleep. Another attractive feature of night lights is their energy efficiency. LED night lights use very little electricity, making them a great option for conserving energy. In addition, they provide a great light source that can be used in any room of the home. Overall, night lights can be beneficial for a variety of reasons. They provide a sense of security and comfort in the dark, emit colors that can improve moods and help people sleep, and are energy efficient. Night Lights are an essential part of any home.