From Lifehacker: Caffeine Zone 2 Tracks Your Caffeine Usage and Tells You if Another Cup Will Do Any Good

iOS: If you spend the bulk of your day downing cup after cup of coffee, you likely know the feeling of taking it one cup too far. You might be nervous or have trouble sleeping later on. Caffeine Zone 2 is an app that allows you to track your caffeine usage so you’ll know if that late afternoon cup is doing you more harm than good. More »


from Lifehacker

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