For those who are doing some sleep hacking like I have been, there may be help on the way:
Caffeine Free: Blue Light Makes People Alert at Night:
A small study of 16 volunteers found that exposure to short-wavelength light, or blue light, perked them up immediately.
“Light exposure to this system, particularly blue light, directly reduces sleepiness,” said . . . → Read More: Caffeine Free: Blue Light Makes People Alert at Night
