I was confused at this too. The fact that a major manufacturer like Phillips is releasing a line of medical products around this very use case should tell the

I was confused at this too. The fact that a major manufacturer like Phillips is releasing a line of medical products around this very use case should tell the author that it's not ridiculous. Outside social norms, maybe, but the whole point of the book is that Ferriss is trying things that are unconventional and seeing what works. I got one of these lights as a gift, and it's been great. I was a bit skeptical/curious as to whether it was just placebo, but it turns out there's evidence that blue light helps the body schedule melatonin release.