Is Poor Sleep Quality Associated With Greater Disability in Patients With Multiple Sclerosis? Vitkova M, Gdovinova Z, Rosenberger J, Szilasiova J, Mikula P, Stewart RE, Groothoff JW, van Dijk JP Behav Sleep Med. 2016 May 18:1-11. PMID: 27191379. Abstract CommentRecommendBookmarkWatch