“Mind wandering poses an unresolved puzzle for cognitive neuroscience: It is associated with poor performance in various cognitive domains, yet humans spend 30–50% of their waking time mind wandering.” So claim the authors of a recent study published in The Journal of Neuroscience , citing previous literature on this topic. Lead author Péter Simor , PhD, and his colleagues from Eötvös Loránd University in Hungary, however, were keen on challenging assumptions that daydreaming negatively affects