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NOVA
S36 Ep12: What Are Dreams - Preview
- Aired: 11/24/2009
- 00:30
- Expires:
- Rating: NR


LEARN MORE
Dreams: Expert Q & A
Harvard neuroscientist Robert Stickgold answers questions about sleep and dreams, including lucid dreams and nightmares.
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How important is sleep to a surgeon’s performance? Neil deGrasse Tyson visits a Harvard sleep researcher to find out.
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