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Y3 Neurology > Sleep / Sleep Disorders > Flashcards

Flashcards in Sleep / Sleep Disorders Deck (35)
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1
Q

How many hours of sleep are required by an adult per night

A

7-8hr

2
Q

Does exercise recovery occur during sleep?

A

no

3
Q

Does tissue repair occur during sleep?

A

yes

4
Q

The two main types of sleep are REM and non-REM. Which makes up the start and end of the night?

A

non-REM start of night

REM end of night

5
Q

During non-REM sleep, cerebral blood flow is reduced. T or F

A

true

6
Q

During REM sleep, cerebral blood flow is reduced. T or F

A

false, increased

7
Q

What effect does non-REM sleep have on HR

A

reduced

8
Q

What effect does non-REM sleep have on BP

A

reduced

9
Q

In which type of sleep, REM or non-REM, are muscles partially relaxed? and which type are muscles atonic (except the diaphragm and extraocular)

A

non-REM partial muscle relaxation.

REM atonic muscles except diaphragm and extraocular

10
Q

Which type of sleep, REM or non-REM, has more emotional images, and which has more narrative images?

A

REM sleep emotional images

non-REM narrative images

11
Q

Which type of sleep makes up 3/4 of the night in a young adult?

A

non-REM sleep

12
Q

What type of sleep has fast brain activity similar to being aware on EEG?

A

REM sleep

13
Q

What type of sleep shows synchronised rhythmic activity on EEG?

A

non-REM sleep

14
Q

What type of sleep is important for neonate development?

A

REM sleep

15
Q

What type of sleep is dispensable when adult?

A

REM sleep

16
Q

What type of sleep is most important for cell division?

A

non-REM

17
Q

How long is a normal circadian rhythm?

A

25hr

18
Q

In sleep deprivation, what area of the brain is most effected, and what effects does this have?

A

prefrontal cortex; causing irritability and visual illusions (not hallucinations)

19
Q

What effect does sleep deprivation have on rehearsed tasks?

A

rehearsed tasks normal

20
Q

How does sleep change in the elderly?

A

decreased total sleep time,
decreased REM sleep,
increased daytime napping (non-REM)

21
Q

During what type of sleep does bruxism (teeth grinding) occur?

A

non-REM

22
Q

During what type of sleep does sleep paralysis occur?

A

non-REM

23
Q

During what type of sleep does night terrors occur?

A

non-REM

24
Q

What age range are affected by night terrors?

A

children

25
Q

What is the medical name for sleep walking / talking?

A

confusional arousal

26
Q

During what type of sleep does confusional arousal occur?

A

non-REM

27
Q

What is the suspected cause of confusional arousal?

A

sleep deprivation

28
Q

REM sleep disorders are associated with what medical conditions?

A

(60% precede) Parkinson’s disease / basal ganglia disorders

29
Q

What does the patient experience during REM sleep disorders?

A

nightmares / acting out vivid dreams

30
Q

what gender is narcolepsy more common in

A

equal both genders

31
Q

what is cataplexy

A

involuntary loss of muscle tone

32
Q

what is the trigger for cataplexy in narcolepsy

A

emotions

33
Q

narcolepsy can cause hypnagogic hallucination when waking up. T or F

A

false, narcolepsy can cause hypnagogic hallucination at sleep onset

34
Q

what is the 1st investigation when investigating narcolepsy

A

overnight polysomnagram

35
Q

what is the 2nd investigation when investigating narcolepsy

A

multiple sleep latency test