I understand that, but don't you think the reason for you needing a pick me up probably derived from starting to drink coffee/consume caffeine in the first place? I don't see why people say they feel like they need a lift in the day. In my opinion it either means a) you get no sleep, or b) you are naturally an unmotivated person. Not saying you are in particular, I just personally don't understand why people see the need for caffeine and pick me ups etc.