from the you-can-sleep-when-you-are-dead dept.
holy_calamity writes "Researchers at RPI are testing the effects of putting blue LEDs inside cars to keep drivers alert. People driving through the night are much more likely to cause accidents because our circadian rhythms just want to sleep — blue light at around 450nm wavelength can fool them into thinking it's morning and keep them awake."
Gosh that takes me back... or is it forward? That's the trouble with
time travel, you never can tell."
-- Doctor Who, "Androids of Tara"