Cataplexy with Normal Sleep Studies and Normal CSF Hypocretin: An Explanation? Cataplexy with Normal Sleep Studies and Normal CSF Hypocretin: An Explanation? Download Breathing and Snoring Sound Characteristics during Sleep in Adults Comparison of Commercial Wrist-Based and Smartphone Accelerometers, Actigraphy, and PSG in a Clinical Cohort of Children and Adolescents