Implementation of the 80-Hour Work-Week Limitation for Residents Has Improved Patient Care and Education Implementation of the 80-Hour Work-Week Limitation for Residents Has Improved Patient Care and Education Download Impact of Adherence With Positive Airway Pressure Therapy on Hypercapnia in Obstructive Sleep Apnea Implementation of the 80-Hour Work-Week Limitation for Residents Has Not Improved Patient Care and Education