Download Hacking Twilight: Blue light filter for Android for free ]

If you are used to spending time with your phone before bed, then most likely you are faced with the problem of falling asleep after that. Twilight is for those who monitor the rhythm of sleep and want to have a healthy and high-quality sleep. It has long been known that the blue light of the screen affects the circadian rhythm and subsequently it is more difficult for a person to relax and fall asleep. Twilight adjusts the blue light output based on the time of day, changing the glow to a warmer red. This light will not interfere with the body's natural rhythms before bed. Now you can read your favorite book before bed on your smartphone and get a great night's sleep afterwards.