How does blue light affect melatonin?
How does blue light affect melatonin? Blue light suppresses the body's release of melatonin8, a hormone that makes us feel drowsy. While this may be helpful during the day, it becomes unhelpful at night when we're trying to sleep. Does blue light cause sleep problems? More so than any other color, blue light messes with your body's ability to prepare for sleep because it blocks a hormone called melatonin that makes you sleepy. Bottom line: You're less drowsy than usual at night, and it takes you longer to fall asleep. How does light affect the brain? Nighttime light can indirectly...