When writing, I find there is a “caffeine balance” you can achieve, wherein you are alert and attentive, but not jittery or fidgety. Achieving this balance, however, will likely require that you drink less coffee as opposed to drinking more (which makes this tip/trick more of an inaction than an action).
According to Neel’s Corner, too much caffeine consumption causes you to feel stressed (and stressed writing is rarely ever your best writing). In addition, too much caffeine can potentially increase your blood pressure, putting you at risk for heart disease.
More writer’s block remedies: