I've been using an app called "Twilight" to help with my circadian rhythm. I cannot recommend it enough (no root required): https://play.google.com/store/apps/d

I've been using an app called "Twilight" to help with my circadian rhythm. I cannot recommend it enough (no root required): https://play.google.com/store/apps/details?id=com.urbandroid.lux https://play.google.com/store/apps/details?id=com.urbandroid...