PMC3021925 KleineâLevin syndrome: Etiology, diagnosis, and treatment 2004 study reviewing previous research Patient Diagnosed with Kleine Levin Syndrome http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3021925/ http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3021925/ experience confusion, lethargy and disorientation "Kleine–Levin Syndrome: Etiology, Diagnosis, and Treatment" experience confusion, lethargy and disorientation