Night-To-Night Variability in Sleep Apnea Is Associated With Persistence and Burden of Device-Detected Atrial Fibrillation. - Spitaler P; Bilgeri V; Rockenschaub P; Barbieri F; Tugrul B; Adukauskaite A; Stühlinger M; Pfeifer BE; Willeit P; Bauer A; Dichtl W (Journal of sleep research, 2026)