A new app called Coffee Up tracks your caffeine intake and warns when it will affect your bedtime.

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How many cups of coffee do you drink every morning? Do you know where the line sits between awake and jittery? There's a new app called "up Coffee" that will help you track your caffeine intake, and how it will effect your eventual bedtime.

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It's a free download in iTunes. You enter in your height, weight, and bedtime. Through the day, you enter your caffeinated drinks: coffee, tea, sodas. It will track how the caffeine will affect you. After two cups of coffee, when I enter a latte, it sends me a warning, saying the drink could make me jittery. It changes my status to edgy. On the next drink: it pushes back my bedtime by 47 minutes.

Jawbone Labs rolled out the app during National Sleep Awareness Week.

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