体征/症状 可能有同复发性孤立性睡眠瘫痪类似的特点。
其他典型的症状包括猝倒(突然局部或广泛性身体失张力,由强烈的情绪体验引起),入睡或觉醒前的幻觉及不可遏制的睡意。[55]Vendrame M, Havaligi N, Matadeen-Ali C. Narcolepsy in children: a single-center clinical experience. Pediatr Neurol. 2008;38:314-320.http://www.ncbi.nlm.nih.gov/pubmed/18410846?tool=bestpractice.com[56]Nishino S. Clinical and neurobiological aspects of narcolepsy. Sleep Med. 2007;8:373-399.http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1978248/?tool=pubmedhttp://www.ncbi.nlm.nih.gov/pubmed/17470414?tool=bestpractice.com[57]Dauvilliers Y, Billiard M, Montplaisir J. Clinical aspects and pathophysiology of narcolepsy. Clin Neurophysiol. 2003 Nov;114(11):2000-17.http://www.ncbi.nlm.nih.gov/pubmed/14580598?tool=bestpractice.com[58]Overeem S, Mignot E, van Dijk JG, et al. Narcolepsy: clinical features, new pathophysiologic insights, and future perspectives. J Clin Neurophysiol. 2001;18:78-105.http://www.ncbi.nlm.nih.gov/pubmed/11435802?tool=bestpractice.com[59]Dahl RE, Holttum J, Trubnick L. A clinical picture of child and adolescent narcolepsy. J Am Acad Child Adolesc Psychiatry. 1994;33:834-841.http://www.ncbi.nlm.nih.gov/pubmed/8083140?tool=bestpractice.com[60]Billiard M. Narcolepsy. Clinical features and aetiology. Ann Clin Res. 1985;17:220-226.http://www.ncbi.nlm.nih.gov/pubmed/3909916?tool=bestpractice.com
检查 发作性睡病的多次睡眠潜伏期试验通常平均睡眠潜伏期小于 8 分钟并有至少 2 次为快速眼动睡眠起始的小睡。[33]American Academy of Sleep Medicine. The international classification of sleep disorders: diagnostic and coding manual. 2nd ed. Westchester, IL: American Academy of Sleep Medicine; 2005.快速眼动睡眠起始的一次小睡可能发生在整夜睡眠研究之前。[11]American Academy of Sleep Medicine. International classification of sleep disorders: diagnostic and coding manual. 3rd ed. Darien, IL: American Academy of Sleep Medicine; 2014.