w5) sleep across lifespan aging

Question 1

1) feotal sleep

utero means?

Answer 1

emerging, brain maturation

Question 2

what are the 5 age stages of sleep changes?

Answer 2

1) feotal
2) newborn infant
3) child toddler
4) adolescence
5) old age

Question 3

1) feotal sleep

range of weeks for early foetal sleep?
for majority?

Answer 3

20-28 weeks
30-38 weeks

Question 4

1) feotal sleep

name 3 types of sleep feotals have

Answer 4

quiet sleep
active sleep
indeterminant sleep

Question 5

1) feotal sleep

what is quiet sleep a precursor of?
eye movements, HR, msucles, ampitude?
what type of brain waves? mixed?
inc/dec as brain matures?

Answer 5

NREM sleep
no eye movements, HR, muscles jerks
LOW amplitude
delta waves early-38 weeks
38 weeks + MIXED amplitude
inc as brain matures (NREM1,2,3 long to develop!)

Question 6

1) feotal sleep

active sleep is a precursor of?
eye movements, HR, msucles, ampitude mixed?
inc/dec as brain matures?

Answer 6

REM sleep
inc muscle, breathing, eye movements, mixed EEG
dec as brain matures (only quiet inc!!)

Question 7

1) foetal sleep

intederminant sleep is?
inc/dec as brain matures?

Answer 7

not classified as quiet or active, undeterminned
dec as brain matures

Question 8

1) feotal sleep

what is feotal sleep time dependent on?

Answer 8

mother’s entrainment

Question 9

1) feotal sleep

when does the foetal sleep oscillate/sync?

hint: which trimester - early or ending

Answer 9

final third trimester

Question 10

2) newborn infant

how many hrs a day do newborns sleep?

Answer 10

16 hrs

Question 11

2) newborn infant

what are 3 main changes in infants/newborns that feotals don’t have?

Answer 11

change in entrainment
c rhythms
daytime naps

Question 12

2) newborn infant

bio rhythms of infants
infant: ? hrs per cycle
6/8-16 weeks ?
16 weeks+?

Answer 12

3-4 hours/cycle (short)
free running first (no rhythm)
entrainment (rhythm)

Question 13

2) newborn infant

c rhythms of infants include what type of env factors?

Answer 13

mother’s feeding, melatonin, coritisol

Question 14

2) newborn infant

diurnal sleep is young or old infants learning to do?

Answer 14

young

Question 15

2) newborn infant

nocturnal sleep is young or old infants learning to do?

Answer 15

older

Question 16

2) newborn infant

How many % do infants distribute sleep nights and day?

Answer 16

60-70%

Question 17

2) newborn infant

naps of infant 3-6 months, 7-9 months, 10-12 months inc or dec from 1-2-3, or 3-2-1?

Answer 17

dec 3-2-1

Question 18

2) newborn infant

How many months are infants longest night sleep?

Answer 18

2-3 months

Question 19

2) newborn infant

what are some challenges for infants sleep?

Answer 19

env, routine, arrangements (crib, light, parents, siblings), culture, rocking

Question 20

2) newborn infant

What are 3 main architecture components infants develop in 4, 6 months?

Answer 20

NREM, REM = 4 months
spindles = 6 months
k-complex = 6 months

Question 21

2) newborn infant

When do infants (how many months) develop NREM/REM sleep (quiet sleep dec)?
how long is a cycle?

Answer 21

4 months
short 30-35 min cycles

Question 22

2) newborn infant

spindles develop at what age (how many months)?

Answer 22

pre spindles *4 weeks, shape spindles 6 weeks –> fully developed spindles 6 months

Question 23

2) newborn infant

k-complexes develop at what age (how many months)?

Answer 23

6 months

Question 24

3) toddler/child

what 2 components DEC in this stage?

Answer 24

daytime naps
sleep duration (time)

Question 25

3) toddler/child

what do toddlers develop?

Answer 25

diurnal preferences

Question 26

4) adolescence

what component (continues to) dec in this stage?
reasons?

Answer 26

sleep duration
phase delay (bedtime sleep later wake up same time, pressure, env school time, screens)

Question 28

5) old age

what 3 components DEC in this stage?
what 1 component INC in this stage?

Answer 28

DEC = duration time %, efficiency, SWS 3+4
INC =arousals/ awakenings

Question 29

5) old age

There are gender differences in sleep duration %. True or false?

Answer 29

false
minor diff not sig
males dec SWS more only

Question 30

5) old age

which sleep stage do elderly still spend most time in?
which dec?

Answer 30

NREM 2 ~60%
NREM 1, SWS, REM

Question 31

5) old age

inc awakenings/arousals are measured by what?
which NT dec?

Answer 31

respiritory breathing rate
GABA

Question 32

5) old age

dec SWS is observed by what waves inc/dec?
SWS invovles in what roles?

Answer 32

delta waves DEC amplitude
memory, cogniton, neural regulations, temporal spatial , use dependent,

Question 33

5) old age

what part of the brain is observed dec in elderly?

Answer 33

pressure
SCN signals

Question 34

Which of the following aspects of sleep is most stable across the lifespan?
a.Slow wave sleep
b.The timing of sleep
c.Sleep onset latency
d.Sleep efficiency

Answer 34

c.Sleep onset latency

Question 35

While in utero, what is the most common type of sleep to be observed?
a.Quiet Sleep
b.NREM sleep
c. Active Sleep
d. REM sleep

Answer 35

c. Active Sleep

Question 36

In a 10-week old infant, which of the following statements is TRUE?

a.Minimum core body temperature is negatively associated with time from bedtime to first disturbing parents

b.Minimum core body temperature is positively associated with sleep onset latency

c.Minimum core body temperature is positively associated with time from bedtime to first disturbing parents

d.Minimum core body temperature is negatively associated with sleep onset latency

Answer 36

a.Minimum core body temperature is negatively associated with time from bedtime to first disturbing parents