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Neck-zapping gadget reduces all-nighter fatigue

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Instead of reaching for a cup of coffee during a graveyard shift, workers might one day hold an electric razor–sized device to their necks. After a couple of minutes they would emerge refreshed and awake from this experience, which could come to be known as a “vagus nerve break.”

The device, called gammaCore, sends a series of vibrating bursts of low-voltage electricity, each lasting a millisecond, to the side of the neck. It is meant to stimulate part of the vagus nerve, a connector between brain and body, and cause the release of wakefulness chemicals.

Full article at Scientific American: Link

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