via colourlovers“Color perception drifts away from neutrality during wakefulness and is restored during sleep, suggests a research abstract presented in at SLEEP 2010, the 24th annual meeting of the Associated Professional Sleep Societies LLC. Results indicate that prior wakefulness caused the color gray to be classified as having a slightly but significantly greenish tint. Overnight sleep restored perception to achromatic equilibrium so that gray was perceived as gray...”
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