Blue Light Filter - Night Mode and Dark Mode app that may improve your sleep and help you fight insomnia and can also reduce headache.

Having trouble falling asleep? Did your eyes feel tired during night reading on your phone? Are your kids hyperactive when playing with the tablet before bed time?
Are you using your smart phone or tablet in the late evening? That is due to blue light. Blue light from your phone's or tablet's screen is the visible light spectrum (380-550nm) for circadian regulation. According to the scientific studies, exposure to blue light imposes serious threats to retinal neurons and inhibits the secretion of melatonin, a hormone that influences circadian rhythms. It is proven that reducing blue light can greatly improve sleep. If you don’t take your eye care, it can lead to glaucoma damaging the optic nerve, which is vital for good eye health and vision.