MIDAlpha TitleTitleYearColor/BWRunning TimeFormatsAbstractTopics
2539SECRETS OF SLEEPSECRETS OF SLEEP1976color52 min16mm (Nova series) Although we spend approximately one-third of our lives sleeping, scientists don't know what it does for us, what happens when we do it or whether we need it as much as we think we do. Among the topics are: the quality of sleep induced by pills (probably less healthful than not sleeping at all), jet lag (considered one of the causes of airplane crashes) and the importance of dreaming and interpreting dreams.