Chapter 8: Part 4

Question 1

why do we sleep?

Answer 1

gives brain time to rest, promotes learning and development

Question 2

Only _____ and _____ experience REM sleep, while _____ and _____ have periods of rest that resemble sleep.

Answer 2

mammals and birds, fish and amphibians

Question 3

can some animals sleep with one hemisphere?

Answer 3

yes, such as dolphins, porpoises, ducks, etc

Question 4

does sleep deprivation affect the ability to perform physical exercise?

Answer 4

nope, but it does affect cognitive abilities

Question 5

what is fatal familial insomnia?

Answer 5

A fatal inherited disorder characterized by progressive insomnia.