Power saver: brain caught napping with every blink of an eye

By Melissa Healy
Updated December 29 2012 - 4:08pm, first published 3:00am
Reboot ... blinking allows the human brain to have some down-time.
Reboot ... blinking allows the human brain to have some down-time.

WHY do we spend about 10 per cent of our waking hours with our eyes closed, blinking far more often than is necessary to keep our eyeballs lubricated?

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