“Although there are many anecdotal stories of breakthroughs resulting from daydreams – Einstein, for instance, was notorious for his wandering mind – daydreaming itself is usually cast in a negative light. In recent years, however, scientists have begun to see the act of daydreaming very differently. They’ve demonstrated that daydreaming is a fundamental feature of the human mind – so fundamental, in fact, that it’s often referred to as our ‘default’ mode of thought.”