He said we all experienced that. that's what they are getting at, that temporary moment where the concentration is lost. highway hypnosis is a terminology, i think we may hear more about with this, anderson. >> appreciate the update, thanks. joining us is michael bruce, sleep expert. do you buy that idea? there is a difference between highway hypnosis and nodding out. do you buy any of those? >> here is what i'm concerned with, anderson, we went to bed at 8:30 the night before and woke up 3:30. this particular engineer's rhythm, if his biological clock doesn't want him going to bed at a certai...