Morning Light and Sleep: How 10 Minutes Resets Your Circadian Clock
Key Takeaways Blue light disrupts melatonin production: Exposure to screens before bed can delay sleep onset, with studies showing circadian phase delays of 1.5 hours or more under sustained evening light exposure (Chang et al., 2014, PNAS). Morning sunlight resets your circadian rhythm: Morning natural light exposure has been shown to advance circadian phase and...