Light and Circadian Rhythms
Understanding how light affects your circadian system is crucial. Stepping outside exposes you to a wealth of sunlight that activates your biological clock far more effectively than light filtered through a window. For those using screens, adjusting settings to reduce blue light can significantly improve your evening routine, allowing for better sleep quality. Implementing simple changes, like using red light in the evening and adjusting phone settings, can make a notable difference.In this clip
From this podcast

Huberman Lab
AMA #14: 2023 Philanthropy, Evening Routine, Light Therapy, Health Metrics & More
Related Questions
To what extent does turning on the red light filter as Andrew Huberman explains minimize blue light exposure from screens in the evening to support circadian rhythms? Does it fully eliminate blue light?
Can you clarify the trick Andrew Huberman mentioned for his iPhone to eliminate blue light by turning the screen red in the episode AMA #14: 2023 Philanthropy, Evening Routine, Light Therapy, Health Metrics & More and the clip Light and Circadian Rhythms?
Can you clarify the trick Andrew Huberman mentioned for his iPhone to eliminate blue light by turning the screen red in the episode AMA #14: 2023 Philanthropy, Evening Routine, Light Therapy, Health Metrics & More and the clip Light and Circadian Rhythms?