Ch 5 Conciousness

Question 1

What is sleep?

Answer 1

“natures soft nurse”, “chief nourisher in life’s feast” - Shakespeare

Question 2

Is nervous system active during sleep?

Answer 2

YES! not inactive

Question 3

During sleep (mental)

Answer 3

new memories- including learning - are stabilized and integrated; active role, consolidation

Question 4

during sleep (physical)

Answer 4

body repairs itself, tissues grow,
the immune system is strengthened,
body supply to muscles increase,
growth hormones released.

Question 5

unhealthy weight gain

Answer 5

sleeping less than 7-8 hours per night = weigh more, and future weight gain in store

Question 6

sleep deprivation and hunger

Answer 6

ghrelin ^^ signals your brain that it’s time to eat
leptin w cues your brain that you are full
both antagonizer and agonizer of the wrong things when you are lacking zzz

Question 7

works as a washing machine

Answer 7

allows the brain to clean itself (brain cells generate waste products during regular tasks)
the glymphatic system flushes out toxins between your brain cells
brain cells shrink during sleep by up to 60% = more efficient cleaning

Question 8

beta-amyloid

Question 9

adenosine

Answer 9

^?

Question 10

melatonin

Answer 10

?

Question 11

more effects of + sleep

Answer 11

muscles relax, heart rate v mood, reaction time

6 hours > increase stroke risk

Question 12

fatal familial insomnia

Answer 12

dimensia and dealth
accumulation of waste during day
caffeine blocks adenosine

Question 13

Is nervous system active during sleep?

Answer 13

YES! not inactive

Question 14

During sleep (mental)

Answer 14

new memories- including learning - are stabilized and integrated; active role, consolidation

Question 15

during sleep (physical)

Answer 15

body repairs itself, tissues grow,
the immune system is strengthened,
body supply to muscles increase,
growth hormones released.

Question 16

unhealthy weight gain

Answer 16

sleeping less than 7-8 hours per night = weigh more, and future weight gain in store

Question 17

sleep deprivation and hunger

Answer 17

ghrelin ^^ signals your brain that it’s time to eat
leptin w cues your brain that you are full
both antagonizer and agonizer of the wrong things when you are lacking zzz

Question 18

works as a washing machine

Answer 18

allows the brain to clean itself (brain cells generate waste products during regular tasks)
the glymphatic system flushes out toxins between your brain cells
brain cells shrink during sleep by up to 60% = more efficient cleaning

Question 19

beta-amyloid

Answer 19

often in mice and alzheimers

sleep = v alzheimers = memory

Question 20

adenosine

Answer 20

^?

Question 21

melatonin

Answer 21

?

Question 22

more effects of + sleep

Answer 22

muscles relax, heart rate v mood, reaction time

6 hours > increase stroke risk

Question 23

fatal familial insomnia

Answer 23

dimensia and dealth
accumulation of waste during day
caffeine blocks adenosine

Question 24

glumphatic system

Answer 24

?

Question 25

lymphatic system

Answer 25

?

Question 26

less sleep =

Answer 26

less sex drive
less memory
less alcohol tolerance

Question 27

sleep deprivation $$

Answer 27

you can be charged with impaired driving if you are sleep deprived $$$

Question 28

cutting sleep affects mood and emotion

Answer 28

greater risk for depression
less emotional control
amygdala and other brain circuits are 60% + more reactive
impairs the judgement of facial expressions

Question 29

conscious?

Answer 29

you are still conscious when you are asleep

Question 30

after hour loss (daylight savings time)

Answer 30

cyberloafing at work
cluster headaches
heart attacks
traffic accidents
work accidents
police harassment

Question 31

the recommended amount of time

Answer 31

7-9 hours for adults

8-10 hours for adolescents

Question 32

how to tell if sleep deprived

Answer 32

drugging yourself to stay awake (coffee)
do you fall asleep almost right away?
— healthy to take ~15 min to fall asleep