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NOVA Season 2 Episode 4

The Secrets Of Sleep

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.

Nov. 24, 1974

2 - 17
Will The Fishing Have to Stop?Apr. 06, 1975
2 - 16
The Lost World Of The MayaMar. 30, 1975
2 - 15
The Other WayMar. 16, 1975
2 - 14
The Plutonium ConnectionMar. 09, 1975
2 - 13
The TuaregsFeb. 16, 1975
2 - 12
The Lysenko AffairFeb. 09, 1975
2 - 11
Take the World From Another Point of ViewFeb. 02, 1975
2 - 10
The Rise And Fall Of DDTJan. 19, 1975
2 - 9
What Time is Your Body?Jan. 12, 1975
2 - 8
War From the AirJan. 05, 1975
2 - 7
Red Sea CoralDec. 15, 1974
2 - 6
The Men Who Painted CavesDec. 08, 1974
2 - 5
Inside the Golden GateDec. 01, 1974
2 - 4
The Secrets Of SleepNov. 24, 1974
2 - 3
The Hunting Of The QuarkNov. 17, 1974
2 - 2
How Much Do You Smell?Nov. 10, 1974
2 - 1
Why Do Birds Sing?Nov. 03, 1974