Sleep - NOVA Science Now
Why do we need sleep? Part of the answer may be to strengthen memories.
The Sleep-Memory Connection
Explore the stages of a good night's sleep and the research linking sleep to memory.
Ask the Expert
Matt Walker of Harvard Medical School answers questions on how sleep impacts our ability to learn.
Use a simple typing exercise to see how sleep affects your memory.
Just how important is sleep to a surgeon? Find out in this video clip of host Neil Tyson paying a visit to the lab of Harvard sleep researcher Jeff Ellenbogen.
Fruit flies with jet lag? Learn more in this short clip.
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