In this article, we consider the role of sleep on PD symptoms. I believe that getting good sleep is absolutely foundational, on which all other progressive symptom reduction strategies rest. Indeed, Florencia Cerruti, author of Rebirth at 50: in the end it was not The End, points out that poor sleep, along with stress, is to people with PD like Kryptonite is to Superman. Unfortunately, sleep problems are extremely common with PD.