Finally one arrives at this: the state of sleep has an ambiguous function; in sleep, the lack of contact with the culture… — Erich Fromm Copy Share Image
We actually don't know the function of sleep all that well yet, but sleep is a time of quiescence in the brain. — Shelby Harris Copy Share Image
No one knows the complete function of sleep. Is it to reset the brain or give it more of a rest period?… — Paul Allen Copy Share Image
