The diagnosis of narcolepsy and<unk>  is usually made by symptom presentation. Presenting with the tetrad of symptoms (Excessive daytime sleepiness, sleep onset paralysis, hypnagogic hallucinations,<unk>  symptoms) is strong evidence of the diagnosis of narcolepsy. A Multiple Sleep Latency Test (MSLT) is often conducted in order to quantify daytime sleepiness.
Cataplexy
Catatonia
Apoplexy
Paratonia
Metamorphopsia
Abnormal posturing
Catalepsy
Diplophonia