Is it time for a CPAP checkup?

If you have obstructive sleep apnea, you were probably told to use your continuous positive airway pressure machine every night. Used faithfully, it stops the snoring, choking and repeated pauses in breathing, helps you feel more alert and productive, and lowers the risk of high blood pressure, heart disease, stroke and depression.

But the gentle hum of the machine is not proof the therapy is working. Like a sensitive medication regimen, CPAP needs regular assessment and adjustment.

Most machines record nightly use, mask leaks and the number of breathing pauses per hour. Your care team can read that data and tell whether the pressure setting still matches your needs. Weight change, aging, alcohol and even sleeping position can all shift the pressure you require over time.

Equipment matters too. Masks, cushions, filters and tubing wear out; a leaky or dirty mask quietly undermines treatment. Most suppliers recommend replacing soft parts every few months.

Book a review if your snoring or daytime sleepiness has crept back, if the mask has become uncomfortable, or if it has simply been a year or more since anyone checked your settings. A small adjustment is often all it takes to get the full benefit back.