Yes, another article on HN a few days ago said blue light wakes you up while red light makes you sleepy (and I follow the science of that one more): https://ne

Yes, another article on HN a few days ago said blue light wakes you up while red light makes you sleepy (and I follow the science of that one more): https://news.ycombinator.com/item?id=17117656 https://news.ycombinator.com/item?id=17117656