I try to limit my coffee to around 3 cups per day, or else it starts to affect my sleep. I drink, on average, 6 standard drinks per week (all beer). Usually af

I try to limit my coffee to around 3 cups per day, or else it starts to affect my sleep. I drink, on average, 6 standard drinks per week (all beer). Usually after work and, in the last 3 three years, no more than 2 at once.