Sleep

Question 1

Non REM sleep is usually towards the end of the night. True or false?

Answer 1

False

- at the start of the night

Question 2

What is the most important part of sleep? REM or Non-REM

Answer 2

Non REM

Question 3

Deep sleep is REM or Non REM

Answer 3

Non REM

Question 4

There is increased/decreased brain activity in REM sleep?

Answer 4

Increased activity

- it is similar to wakefulness

Question 5

Most young adults’ sleep is REM or non-REM?

Answer 5

Non-REM

Question 6

In which type of sleep can you not remember what you were dreaming of?

Answer 6

Non REM

Question 7

EEG activity in REM sleep is normal/fast/slow ?

Answer 7

Fast

Question 8

During non-REM sleep what happens to: 
HR 
BP
Tidal volumes 
Cerebral blood flow

Answer 8

HR - decreased
BP - decreased
Tidal volumes - decreased
Cerebral blood flow - decreased

Question 9

In which type of sleep can you remember what you were dreaming about? REM or Non-REM

Answer 9

REM

Question 10

During REM sleep, cerebral blood flow is increased. True or false?

Answer 10

True

Question 11

As you get older you get more/less REM sleep?

Answer 11

Less

Question 12

Normal circadian rhythm lasts for __ hours?

Answer 12

25

Question 13

Normal circadian rhythm is in sync with a daily cycle. True or false?

Answer 13

False

• daily cycle is 24 hours
• circadian rhythm is 25 hours

Question 14

Sleep deprivation symptoms

Answer 14

Irritable
Visual hallucinations
Concentration lapses

Question 15

Roughly which % of RTA’s are sleep related?

Answer 15

10

Question 16

How much sleep per night is acceptable?

Answer 16

7 -> 7.5 hours

Question 17

A mid afternoon power nap of 15 mins is equivalent to __ mins of overnight sleep?

Answer 17

90 mins

Question 18

Name 2 sleep disorders

Answer 18

Parasomnia

Narcolepsy

Question 19

Patient who is sleep walking, experiences sleep terrors and paralysis, has restless legs and grinds teeth during sleep has which sleep disorder?

Answer 19

Non-REM parasomnia

Question 20

Which type of parasomnia occurs in patients with parkinson disease?

Answer 20

REM parasomnia

Question 21

Narcolepsy is more common in males. True or false?

Answer 21

False

- equally common in M and F

Question 22

Peak ages of onset for narcolepsy

Answer 22

15 and 36

Question 23

Narcolepsy - clinical features

Answer 23

Daytime sleepiness 
Hallucinations 
Sleep paralysis 
- unable to move upon falling asleep or wakening 
Cataplexy

Question 24

What is cataplexy (symptom)

Answer 24

Sudden physical collapse
Loss of muscle tone
Consciousness remains

Question 25

What is cataplexy triggered by

Answer 25

emotion

Question 26

Narcolepsy - investigations

Answer 26

Overnight sleep study Multiple sleep latency test LP

Question 27

Narcolepsy patients fall asleep very quickly/slowly?

Answer 27

Quickly

Question 28

Why is it useful to do a LP in narcolepsy patients ?

Answer 28

Low CSF hypocretin levels are consistent with narcolepsy

Question 29

What are hypnagogic hallucinations?

Answer 29

hallucinations occurring at sleep onset

Question 30

Narcolepsy patients go into REM or non-REM sleep first?

Answer 30

REM

Question 31

Usually get REM sleep at the start/end of the night?

Answer 31

End

Question 32

The following describes REM or Non-REM sleep disorders: Easier to wake up from Good recall of vivid dream on wakening

Answer 32

REM

Question 33

In most RTAs caused by sleep deprivation, the driver has been acutely/chronically sleep deprived?

Answer 33

acutely

Question 34

Which type of sleep is responsible for protein synthesis, cell division and growth?

Answer 34

Non-REM sleep

Question 35

Which type of sleep is responsible for consolidation of memories and maintaining immunocompetence ?

Answer 35

REM sleep

Question 36

Which type of sleep is important for early brain development?

Answer 36

REM sleep

Question 37

What is the name given group of sleep disorders that involve unwanted events or experiences that occur while you are falling asleep, sleeping or waking up

Answer 37

Parosomnias

Question 38

Muscle recovery takes place during sleep. True or false?

Answer 38

False

Question 39

REM sleep behaviour is often seen preceding which condition?

Answer 39

parkinsons

Question 40

What test an be done to investigate narcolepsy are what are the likely findings?

Answer 40

Sleep latency test - REM sleep at the beginning - Patient falls asleep quickly

Question 41

Which type of sleep is most important for the consolidation of memories. REM or Non-REM ?

Answer 41

REM