There's increasing study on the benefits of mindfulness or, in some circles, no-mindedness. "Mindfulness meditation training in awareness of present moment experience, such as body and breath sensations, prevents depression and reduces distress in chronic pain. In a new paper, Brown University scientists propose a neurophysiological framework to explain these clinical benefits." — Neural Basis for Benefits of Meditation
Andy Puddicombe backs this up with his TED Talk "All it takes is 10 mindful minutes" to reboot the brain. So let's all shutdown the computer and smart phones, relax, and take a few minutes of mindful practice.