When Sleep Researchers Have Studied Humans and Other Species, They

question 54

Multiple Choice

When sleep researchers have studied humans and other species, they found that:

• A) only the higher mammals, such as humans, the great apes, and bottlenose dolphins, experience REM sleep.
• B) moles, since they can hardly move their eyes at all, are unable to experience REM sleep.
• C) humans begin to show evidence of REM sleep during the first two weeks after birth.
• D) nearly all mammals, with the exception of spiny anteaters, bottlenose dolphins, and the porpoise, experience REM sleep.

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