LiveScience.com – Caffeine Free: Blue Light Makes People Alert at Night: ”
There’s much more than meets the eye to how we perceive light, researchers have learned in recent years. The latest revelation: blue light helps fend off drowsiness in the middle of the night.”
+1 Reason to buy a VW I guess…
Those blueish purple instruments are really good at keeping you awake (by making you stare at them instead of the road)