Biot’s Breathing in a Woman with Fatal Familial Insomnia: Is There a Role for Noninvasive Ventilation? Biot's Breathing in a Woman with Fatal Familial Insomnia: Is There a Role for Noninvasive Ventilation? Download Awake Measures of Nasal Resistance and Upper Airway Resistance on CPAP during Sleep Circadian Rhythm Sleep Disorder, Free-Running Type in a Sighted Male with Severe Depression, Anxiety, and Agoraphobia