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The assault on your biology begins the moment that blue light hits your retinas. This specific wavelength of light mimics the sun, tricking your brain into suppressed melatonin production. Melatonin is the chemical signal that tells your body it’s time to sleep; by suppressing it, you are effectively telling your internal clock that it’s still high noon, even if it’s 2:00 AM. This delay doesn’t just make it harder to fall asleep; it pushes your entire natural rhythm out of sync, leaving you groggy and “socially jet-lagged” the next morning.
