Progress and Prospects in Parkinson's Research/Symptoms/Narcolepsy

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Narcolepsy		Sudden urge to sleep.

The following references are relevant:-

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1978248/

http://www.ncbi.nlm.nih.gov/pubmed/22747735

http://www.ncbi.nlm.nih.gov/pubmed/22939103

Further Research

References