Unit 5 - Sleep

Question 1

Alpha waves

Answer 1

The relative slow brain waves of a relaxed mind

Question 2

How often do we cycle through sleep stages?

Answer 2

Every 90 minutes

Question 3

NREM

Answer 3

Non-rapid eye movement sleep; encompasses all sleep stages except for REM sleep

Question 4

NREM 3

Answer 4

Deepest sleep; longest during first cycle (delta waves)

Question 5

REM sleep

Answer 5

Also called paradoxical sleep; recurring stage during which we dream; increase as night goes on

Question 6

Sleep theory: sleep protects

Answer 6

Humans were better hiding at night

Question 7

Sleep theory: sleep helps us recuperate

Answer 7

The brain literally recuperates; neurons have time to repair themselves

Question 8

Sleep theory: sleep helps restore and rebuild fading memories of the day’s experiences

Answer 8

Sleep strengthens memory

Question 9

Sleep theory: sleep feeds creative thinking

Answer 9

Sleeping makes us smarter; we are able to think clearly and make connections that we would not have been able to do without some rest

Question 10

Sleep theory: sleep supports growth

Answer 10

During sleep our pituitary gland releases our growth hormones; as we get older, we produce less growth hormones

Question 11

Insomnia

Answer 11

Persistent problem in falling or staying asleep