The SYB Blog

Yes, blue light blocking glasses work, but for specific purposes. Research shows they can reduce digital eye strain symptoms and improve sleep quality when worn

Blue light is high-energy visible light (380–500 nanometers) from the sun and artificial sources like smartphones, screens, LEDs, and televisions. Daytime blue light boosts alertness,

Blue light from screens directly interferes with your ability to fall asleep by suppressing melatonin, the hormone that signals sleep time to your body. Evening

Red light supports better sleep because it doesn’t suppress melatonin the way blue light does. With wavelengths between 620-750 nanometers, red light falls at the