I think that depends on your definition of "nothing," and also depends a lot on your mindset. One person could be rejuvenated by having some time to "veg out" or relax, while someone else might feel drained. Part of it is whether you are more extroverted or introverted, but another part is just what is going on with you at the moment. If you really want to be doing something else, then the in between times when nothing is happening will be more exhausting. If, however, you are focused on the present and what you are doing now, even if it is just thinking or relaxing or playing a brainless video game, then you might feel calm or satisfied rather than restless or tired. One example might be sitting on the couch, reading a book beside the phone. If you took half a day off of work so that you