Researchers have recently carried out a test on mice by adjusting the brightness to high or low and changing the color from blue to yellow. They found the bright light of either color was more enthusiastic whereas the blue dim light was more relaxing than the yellow one. Researchers found its similarity to natural phenomena where bright white or yellow daylight light keeps us awake and alert whereas dark blue light after sunset keeps us calm and restful. They also revealed night-mode settings for phones and laptops reduce blue light to overcome its adverse effects on our sleep. While , researchers found this fascinating but they still have to figure out if the same happens with humans