How does caffeine affect your energy during the day? ☕

Do you feel more focused and productive after coffee, or does it sometimes make you even more tired?

I’ve been trying to track my caffeine intake and understand how different amounts affect energy levels.

Google Play: https://dub.sh/tsi3gJe
App Store: https://dub.sh/9U6U4AR

How much caffeine do you usually drink in a day?