Background: Heart failure (HF) is frequently associated with central apnea (CA) and obstructive apnea (OA), which often improve after treatment. Amyloid transthyretin (TTR) cardiomyopathy (ATTR-CM) is increasingly recognized as a cause of HF. Tafamidis, a TTR stabilizer, slows disease progression by preventing TTR misfolding and aggregation, reducing mortality, cardiovascular…