Look around and pay attention to the color you see. Is it bright and vivid? Better or worse than yesterday? Now think about how well you slept last night. Or the night before. Could it be that your ability to see colors depends on a good night’s sleep?
Now this is fascinating stuff; Research just emerging and presented at the 24th annual meeting of the Associated Professional Sleep Societies (APSS) earlier this month suggests that sleep literally colors your view of the world. Put simply, sleep restores your ability to see and process colors correctly.