RecruitingDevice studySleep Apnea Triggers of Atrial Fibrillation: N-of-1 Randomized Control Trial (SPARTA):A pilot N-of-1 randomized controlled trial evaluating the effectiveness of a personalized CPAP intervention in reducing atrial fibrillation (AF) burden and improving AF-related quality of life in patients with moderate to severe obstructive sleep apnea (OSA).