A new branch of science has to do with being zapped by light. Contactees (NOTE: Subscribers can listen to this provocative interview) often see blue lights, but what office workers may soon see in the future is RED lights: a new study shows they increase alertness, especially during the after-lunch "energy dip."
More work incidents and performance failures–even car accidents–occur in the mid-afternoon hours from 2-4 pm, about 16-18 hours after an your bedtime the night before.
Certain wavelengths and levels of light has the potential to increase alertness during the post-lunch dip. Will YOUR office be bathing cubicles in red light soon?
The researchers showed that both short-wavelength (blue) and long-wavelength (red) lights increased alertness, but only short-wavelength light suppressed melatonin, which some scientists think may be the cause of the fatigue. Melatonin levels are typically lower during the daytime, and higher at night, when we count on them to help us sleep. They are triggered by darkness, which is why light-blocking shades are installed on most hotel room windows.
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