Sleep Flashcards

Students will be able to 1 Describe the importance of sleep 2 Describe normal sleep architecture and specific features of the various stages of sleep 3 Understand Sleep Lingo 4 Describe normal sleep across the lifespan and how it changes 5 List mechanisms of sleep/wake in the brain a6 State the two main regulatory influences on sleep and what can result if they are out of line

1
Q

importance of sleep

A

restorative “anabolic” phase
memory consaolidation
loss can lead to somatic disability

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2
Q

phases of sleep

A

non REM - N1,2,3

REM - tonic/phasic

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3
Q

time majority of non-Rem Sleep occurs

A

first 1/3

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4
Q

time majority of REM sleep occurs

A

latter half

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5
Q

stage with slow wave sleep

A

NREM 3

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6
Q

relationship between age and time spent in REM sleep

A

older gets less REM (as well as total sleep)

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7
Q

stage alpha waves occur

A

awake with eyes closed

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8
Q

stage theta waves occur

A

stage 1

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9
Q

stage sleep spindles/K complexes occur

A

stage 2

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10
Q

stage delta waves occur

A

stage 3

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11
Q

age parasomnias occur

A

stage 3

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12
Q

“deepest stage” of sleep

A

stage 3

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13
Q

Sleep onset latency

A

time to sleep onset

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14
Q

REM latency

A

time from sleep onset to REM

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15
Q

wake time after sleep onset

A

amount of time spent awake after sleep onset

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16
Q

issues with sleep in elderly

A

incresed SOL, decreasd REM latency, reduced SWS, reduced REM, frequent awakanings, phase advancement

17
Q

NT in the reticular activating system

A

ACh

18
Q

NT that promotes sleep

A

Serotonin

19
Q

NT with role in dreams

A

NE

20
Q

NT produced by the pineal gland

A

melatonin

21
Q

NTs that produce wakefulness

A

NE and dopamine

22
Q

part of the brain controlling circadian rythyms

A

suprachasmatic nucleus

23
Q

regulates REM

A

circadian system

24
Q

chemical that is built up from metabolism that causes sleep

A

adenosine

25
Q

SWS is regulated by what system

A

homeostatic

26
Q

can screw up circadian rhythyms

A

brigh light exposure at night and inconsistant wake times

27
Q

can screw up homeostatic sleep cycles

A

changes in sleep habits, caffiene intake late, sederntary lifestyle