So the secret to alertness is to mash the reset button on your biological clock three or four times a day? I'm imagining a future headline: "Dateline: 2027 --

So the secret to alertness is to mash the reset button on your biological clock three or four times a day? I'm imagining a future headline: "Dateline: 2027 -- scientists discover that overuse of blue light causes depression, hallucinations, amnesia, homicidal tendencies."