Nova Season 2 Episode 4 – The Secrets Of Sleep

Aired : Nov 24 1974 | 30 Views |

Watch Nova season 2 episode 4 online for free. Most of us spend one-third of our lives in a state of which we understand remarkably little—some people sleep for only a few minutes a night, and function perfectly well, while others declare that eight hours isn’t enough. NOVA explores traditional notions about how much sleep we need; looks at effects of the sleeping pill, and, perhaps the most baffling of all aspects of sleep—dreaming.