Sleep Disorder Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

How can you influence SWS (Slow Wave Sleep)

A
  • not by prolonged sleep - by doing exercise - by more mental activity
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2
Q

Polysomnography includes:

A
  • EEG: electroencephalogram - EMG: electromyogram - ECG: electrocardiogram - EOG: electrooculogram
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3
Q

Hypnogram: REM und SWS

A

in total two hours SWS and two hours REM. First half of the sleep more SWS, towards the end more REM phases…

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4
Q

Name the 4 stages of the NREM sleep.

A

– Stage 0: Awake; alpha rhythm

– Stage 1: Transition from wakefulness to sleep; light sleep

– Stage 2: Transition btw delta and REM sleep;
*medium sleep; sleep spindles and K complexes *

– Stage 3: Deeper depth of sleep than stage 2;
~ 20% - 50% of a period consists of delta waves

– Stage 4: Greater delta-wave activity than stage 3
very deep sleep; greater than 50% of a period consists of delta waves

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5
Q

When does the first REM episode occur?

A

60 - 90 min after onset of sleep

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6
Q

Stages of sleep

A

• Upon reaching stage 4 and after about 80 to 100 minutes
of total sleep time, sleep lightens, returns through stages 3
and 2
• REM sleep emerges, characterised by EEG patterns that
resemble beta waves of alert wakefulness
– muscles most relaxed
– rapid eye movements occur
– dreams occur
• Four or five sleep cycles occur in a typical night’s sleep –
approx. 25% in slow-wave, a little more in REM

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7
Q
  • brain activity
  • heart rate
  • blood pressure
  • blood flow to brain
  • respiration
  • airway resistance
  • body temperature
  • sexual arousal
A
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8
Q

DSM-5’s major criteria for a diagnosis of
Insomnia Disorder

A
  • Dissatisfaction with sleep quantity or quality, with one or more of the following symptoms: difficulty initiating sleep, difficulty maintaining sleep, early-morning awakening
  • The sleep disturbance causes significant distress or impairment in social, occupational, educational, academic, behavioral, or other important areas of functioning
  • The sleep difficulty occurs at least 3 nights per week, is present for at least 3 months, and despite adequate opportunity for sleep
  • The insomnia does not co-occur with another sleep disorder
  • The insomnia is not explained by coexisting mental disorders or medical conditions
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9
Q

Who is most likely to have insomnia?

A

• Are over 45 years of age
• Are overweight or obese
• Have conditions such as pain, hypertension, cardiovascular disease, upper airway disease, restless legs syndrome and/or periodic limb movement
• Have major depression, anxiety or bipolar disorder
• Are shift workers
• Consume large amounts of caffeinated products, alcohol or
recreational drugs

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10
Q

Vicious Circle of Sleep

A
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11
Q

non-restorative sleep algorithm

A
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12
Q
A
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