A load of protein on waking, good sleep, will do far more than caffeine. Caffeine is like walking with a crutch, never as efficient as without it. Having said that, my partner who has crazy hours and does poorly on coffee with caffeine, gets cranky, jittery, finds 2-3 cups of tea gives the pick-me-up without the bad side-effects of coffee.
This time, like all times, is a very good one, if we but know what to do with it. Ralph Waldo Emerson
Any given day you are surrounded by 10,000 idiots. Lao Tsu, founder of Taoism