Am I Daydreaming?
What is daydreaming? Parts of the brain show sleep-like activity when your mind wanders.
Our attention is a powerful lens, allowing our brains to pick out the relevant details out of the overwhelming flow of information reaching us every second.
However, scientists estimate we spend up to half our waking lives thinking about something other than the task at hand: our minds are wandering. This is striking considering the potential negative consequences, from decreased school or work performance to tragic traffic accidents.
We also know that mind-wandering and lapses of attention are more common when we are sleep-deprived, which suggests they may happen when the neurons in our brain start behaving in a way that resembles sleep. We tested the relationship between sleep and lapses of attenti...