What is narcolepsy?
Narcolepsy is a long term brain condition that prevents a person from choosing when to sleep and when to wake
What genotype is narcolepsy associated with?
HLA-DR2
When is the typical onset of narcolepsy?
Teenage years
What are the features of narcolepsy?
Hypersomnolence
Cataplexy
Sleep paralysis
Vivid hallucinations on going to sleep or waking up
What is the investigation of choice for narcolepsy?
Multiple sleep latency EEG
What is the management of narcolepsy?
Daytime stimulants - modafinil
Nighttime sodium oxybate
What is cataplexy?
The sudden loss of muscle tone often triggered by emotion