Sleep Disorders Flashcards
What are the two main types of sleep?
REM sleep
Non-REM sleep
In non-REM sleep there is relaxation of muscles and reduced heart rate/blood pressure. True/false?
True
The EEG shows fast/slow activity in REM sleep
Fast
The older we get the more time we spend in REM sleep. True/false?
False - decreases all through life
What is parasomnia?
The unusual activity of the nervous system during sleep
Give some signs of non-REM parasomnias
Confusional arousal Sleep walking Sleep terrors Teeth grinding Complex behaviour
REM parasomnia is very common in which condition?
Parkinson’s
How do patients with narcolepsy present?
Daytime sleepiness
Cataplexy
Hallucinations
What investigations are done for narcolepsy?
Overnight polysomnography
Multiple sleep latency test
What occurs in a multiple sleep latency test?
4x 25 min naps scheduled 2 hours apart
EEG taken
What lumbar puncture test can be done for narcolepsy?
CSF hypocretin levels