
Keywords: مقیاس تاثیر خستگی اصلاح شده; Sleep impairment; Cognitive fatigue; P300 evoked potential; EDS; Excessive Daytime Sleepiness; EDSS; Expanded Disability Status Scale; ESS; Epworth Sleepiness Scale; FSS; Fatigue Severity Scale; MFIS; Modified Fatigue Impact Scale; MS; Multiple Sclerosis;