New app gauges ideal time for coffee break

iPhone,iPod | Tuesday February 14 2012 2:50 AM | Comments (0) Tags: , , , ,

New app gauges ideal time for coffee break

The free Caffeine Zone app is available for iPhone , iPad, and iPod Touch.

Screenshot by Elizabeth Armstrong Moore/CNET)

If you’re wondering whether you’re too many cups or too many hours into the day for yet another jolt of caffeine, a free app developed by researchers at Pennsylvania State University aims to help.

In building the Caffeine Zone app, professors representing several disciplines relied on peer-reviewed studies to devise a simple formula: those with between 200 and 400 milligrams of caffeine in their bloodstream are in the optimal mental alertness zone, while anyone above 100 milligrams has entered the good-luck-sleeping-anytime-soon zone.

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“Many people don’t understand how caffeine levels in their bloodstream go up an… [Read more]

New app gauges ideal time for coffee break

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