CPAP

CPAP (continuous positive airway pressure) is a small bedside machine that pushes a steady stream of pressurized air through a hose and mask worn over the nose, mouth, or both. The air pressure acts as a splint that keeps the throat from collapsing during sleep, which prevents the breathing pauses of obstructive sleep apnea. Related devices include APAP, which adjusts pressure automatically through the night, and BiPAP, which uses two pressure levels.

Weight loss on a GLP-1 can reduce sleep apnea severity, and tirzepatide (Zepbound) is FDA-approved to treat moderate-to-severe obstructive sleep apnea in adults with obesity. That doesn't mean you should stop CPAP on your own as the scale moves. Pressure needs often change with weight loss, so talk to your sleep clinician about re-testing and adjusting your settings. See sleep quality on a GLP-1 and getting a sleep study.

Source: NHLBI (external link).

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