For me, I found the secret was eating anything other than cereal (or egg & toast) for breakfast. Those seem to make me jittery. Eating something like yesterda

For me, I found the secret was eating anything other than cereal (or egg & toast) for breakfast. Those seem to make me jittery. Eating something like yesterday's dinner leftovers for breakfast turns the coffee into an on switch instead of leaving me exhausted but adding jitters and sleeplessness.