What is the central idea of the first section:

When and How Often Do We Dream?

REM sleep was discovered by researchers at

the University of Chicago.

People dream every night during a sleep cycle

called REM sleep.

People dream from 5 to 20 minutes within each

sleep cycle.

Most people experience at least one hour of

REM sleep every night.

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4 September, 09:33

What is the central idea of the first section:

When and How Often Do We Dream?

REM sleep was discovered by researchers at

the University of Chicago.

People dream every night during a sleep cycle

called REM sleep.

People dream from 5 to 20 minutes within each

sleep cycle.

Most people experience at least one hour of

REM sleep every night.

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Answers (1)

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Keaton Klein · Answer 1

Night after night Eugene Stravinsky had been working late ... The mind in REM sleep teems with vivid dreams; some brain structures consume ... Stravinsky had the idea of studying all eye movements in sleeping infants, and with ... he initially discerned a 20-minute period in each infant's sleep cycle in which there was no ...