Module 24 Flashcards

(53 cards)

1
Q

How many years do we spend asleep in one lifetime?

A

25 years

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2
Q

Normal sleep

A

7-8 hours

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3
Q

Short sleep

A

5 hours or less

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4
Q

Long sleep

A

9 hours or more

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5
Q

How much do people 50 and older sleep?

A

6 hours

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6
Q

How much do infants sleep?

A

20 hours of sleep in 2-4 hour cycles

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7
Q

Small, fast brain waves associated with being awake and alert

A

beta waves

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8
Q

Large, slow brain waves associated with being asleep

A

Alpha waves

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9
Q

Where stage of sleep involves hypnotic jerk, irregular & small brain waves (sometimes alpha waves)?

A

Stage 1

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10
Q

Which stage of sleep is associated with sleep spindles?

A

Stage 2

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11
Q

Distinctive bursts of brain wave activity that indicates a person is asleep and prevents sleeping brain from being aroused by external stimuli

A

Sleep Spindles

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12
Q

What kind of waves start in stage 3 of sleep?

A

delta waves

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13
Q

What sleep stage is associated with deep sleep and a state of oblivion?

A

Stage 4

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14
Q

How long does stage 4 sleep last?

A

about an hour

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15
Q

How many recurring cycles do light and deep sleep go through?

A

4-5

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16
Q

What percentage of people report vivid dreaming when woken up during REM sleep?

A

85%

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17
Q

What percentage of sleep is REM sleep?

A

20%

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18
Q

Kind/stage of sleep that heightens emotions, has irregular heart beat, blood pressure and breathing waver, and sexual arousal

A

REM

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19
Q

lack of muscle paralysis during REM sleep

A

REM behavior disorder

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20
Q

Woke up volunteers when they reached REM

A

William Dement

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21
Q

occurrence of extra REM sleep following REM sleep deprivation

A

REM rebound

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22
Q

proposes that lowering body and brain activity and metabolism during sleep may help conserve energy and lengthen life

A

repair/restorative theories of sleep

23
Q

17 year old with the world record of 11 days without sleep. Only needed 14 hours of sleep to recover.

A

Randy Gardener

24
Q

excessive daytime sleepiness, common in adolescence

25
How many car crashes happen a year due to sleepiness?
72,000
26
What stage does REM sleep happen?
later stage 1
27
Higher after physical exertion, slow brain waves, dreamless, may help recover bodily fatigue
NREM
28
How much do we dream a night?
4-5 times in 90 minute intervals
29
Who had the first advanced idea that many dreams are based on wish fulfillment?
Freud
30
Freudian belief that many dreams express unconscious desires
wish fulfillment
31
the surface “visible” content of a dream as the dreamer remembers them to uncover latent content.
manifest content
32
hidden or symbolic meaning of a dream as revealed by dream interpretation and analysis
latent content
33
proposition that dreams are how brains process random electrical discharges of REM sleep (useless dreams)
activation synthesis hypothesis
34
What sleep hypothesis do Allan Hobson and Robert McCarley believe?
activation synthesis hypothesis
35
William Domhoof’s proposal that dreams reflect everyday thoughts and emotions
neurocognitive dream theory
36
* Nobel Peace Prize Winner * Spent years studying chemical transmission of nerve impulses * Spent 3 nights in a row dreaming of an experiment * ”If the experiment occurred to me while awake, it would have been rejected”
Allen Hobson
37
About how many Americans suffer from insomnia?
40 million
38
How many Americans have problems with sleep?
20 million
39
How much time must pass with sleeping problems to be diagnosed with chronic insomnia?
3 weeks
40
Remove pressures of going to sleep, stay awake for as long as possible.
Paradoxical intention (a way to fight insomnia)
41
Starchy foods produce ________
tryptophan
42
How are tryptophan and serotonin correlated?
tryptophan increases serotonin
43
What stage/kind of sleep do night terrors occur?
Stage 4, NREM
44
How long do night terrors usually last?
15-20 minutes
45
How to get rid of nightmares
* write down nightmare in detail * change dream in anyway * imagery rehearsal
46
How long does sleep apnea usually last?
20 seconds - 2 minutes
47
Sleep apnea
breathing stops during sleep
48
Blockage of upper air passages during sleep
Obstructive sleep apnea hypopnea syndrome
49
SIDS babies tend to have weak ________
arousal reflex
50
What is the leading cause of death in infants 1 month - 1 year of age?
SIDS
51
Person falls asleep during alert, daytime activities
Narcolepsy
52
What is a common trigger for narcolepsy?
Emotional excitement/laughing
53
Professional term for sleep paralysis
Hypnotic Hallucinations