Sleep / Sleep Disorders Flashcards
How many hours of sleep are required by an adult per night
7-8hr
Does exercise recovery occur during sleep?
no
Does tissue repair occur during sleep?
yes
The two main types of sleep are REM and non-REM. Which makes up the start and end of the night?
non-REM start of night
REM end of night
During non-REM sleep, cerebral blood flow is reduced. T or F
true
During REM sleep, cerebral blood flow is reduced. T or F
false, increased
What effect does non-REM sleep have on HR
reduced
What effect does non-REM sleep have on BP
reduced
In which type of sleep, REM or non-REM, are muscles partially relaxed? and which type are muscles atonic (except the diaphragm and extraocular)
non-REM partial muscle relaxation.
REM atonic muscles except diaphragm and extraocular
Which type of sleep, REM or non-REM, has more emotional images, and which has more narrative images?
REM sleep emotional images
non-REM narrative images
Which type of sleep makes up 3/4 of the night in a young adult?
non-REM sleep
What type of sleep has fast brain activity similar to being aware on EEG?
REM sleep
What type of sleep shows synchronised rhythmic activity on EEG?
non-REM sleep
What type of sleep is important for neonate development?
REM sleep
What type of sleep is dispensable when adult?
REM sleep
What type of sleep is most important for cell division?
non-REM
How long is a normal circadian rhythm?
25hr
In sleep deprivation, what area of the brain is most effected, and what effects does this have?
prefrontal cortex; causing irritability and visual illusions (not hallucinations)
What effect does sleep deprivation have on rehearsed tasks?
rehearsed tasks normal
How does sleep change in the elderly?
decreased total sleep time,
decreased REM sleep,
increased daytime napping (non-REM)
During what type of sleep does bruxism (teeth grinding) occur?
non-REM
During what type of sleep does sleep paralysis occur?
non-REM
During what type of sleep does night terrors occur?
non-REM
What age range are affected by night terrors?
children
What is the medical name for sleep walking / talking?
confusional arousal
During what type of sleep does confusional arousal occur?
non-REM
What is the suspected cause of confusional arousal?
sleep deprivation
REM sleep disorders are associated with what medical conditions?
(60% precede) Parkinson’s disease / basal ganglia disorders
What does the patient experience during REM sleep disorders?
nightmares / acting out vivid dreams
what gender is narcolepsy more common in
equal both genders
what is cataplexy
involuntary loss of muscle tone
what is the trigger for cataplexy in narcolepsy
emotions
narcolepsy can cause hypnagogic hallucination when waking up. T or F
false, narcolepsy can cause hypnagogic hallucination at sleep onset
what is the 1st investigation when investigating narcolepsy
overnight polysomnagram
what is the 2nd investigation when investigating narcolepsy
multiple sleep latency test
