Does Blue Light Disrupt Your Circadian Rhythm?
You’ve probably heard that scrolling your phone before bed is bad—but do you know why? Blue light, emitted by screens and LEDs, tricks your brain into thinking it’s daytime, suppressing melatonin (the sleep hormone) by up to 50%. This artificial disruption to your circadian rhythm—the 24-hour internal clock governing sleep, metabolism, and mood—has been linked … Read more