Everyday sunlight changes your brain's focus, speed and alertness
• https://newatlas.com, By Bronwyn ThompsonIn the first study of its kind, neuroscientists have shown the real-world benefits that sunlight gives the brain, beyond laboratory experiments, linking brighter and more regular daytime light to better alertness and faster attention in everyday life
So sun gazing works even though the medical leaders say it is bad for you - https://duckduckgo.com/?q=sun+gazing&t=ffab&ia=web .