Every night becomes a countdown instead of rest: you’re watching the clock to make sure you hit 4 hours, worrying about whether last night counted, checking your app obsessively to see if you’re still on track for the 70 percent threshold. Instead of the mask being about sleeping better, it becomes about not losing your machine. That kind of pressure can ironically make it harder to relax and actually get good sleep, which works against the very thing you’re trying to achieve.

Why this happens

Most insurance plans, including Medicare, require documented usage of at least 4 hours per night on at least 70 percent of nights within a 30-day window during your first 90 days of therapy, with a follow-up visit showing the treatment is helping, in order to continue covering the machine and supplies. This threshold isn’t arbitrary, it’s tied to research showing meaningful health benefit generally starts around that usage level, but it was designed as an administrative benchmark, not a reflection of how hard the early adjustment period actually is. The pressure of being monitored, especially while you’re still working through mask fit, pressure comfort, or getting used to sleeping with the device, adds a layer of stress on top of an already difficult adjustment window.

Steps to troubleshoot

1. Ask your DME or provider exactly what your specific insurance requires, since thresholds and windows vary between plans, and Medicare’s rule doesn’t automatically apply to every insurer
2. Address comfort issues early and proactively rather than waiting, since fixing a leak, mask fit problem, or pressure issue quickly gives you more usable nights within the compliance window
3. Build up usage gradually if full nights feel hard right now, aiming for small increases rather than trying to jump straight to a full night
4. Ask your provider about a documented clinical reason if you’re struggling with something specific like claustrophobia or pressure intolerance, since documented struggles combined with your care team addressing them shows good-faith effort even if compliance is temporarily behind
5. Keep your follow-up appointments during the 90-day window, since your provider documenting symptom improvement and problem-solving during this period matters for continued coverage
6. If you fall short of the threshold, know that noncompliance typically triggers a coverage pause rather than a permanent denial, and continuing to work with your provider on the underlying issue can lead to another attempt

Who to talk to

Your DME can tell you your specific plan’s exact requirements and timeline, since these details matter and aren’t always communicated clearly upfront. Your respiratory therapist can help troubleshoot whatever specific issue is limiting your usage, mask fit, pressure comfort, dryness, so you’re building real nightly tolerance rather than just chasing a number. Your sleep doctor should know if the compliance pressure itself is adding stress or making it harder to relax into the therapy, since they can document your specific challenges and adjust your plan, and they’re also the one who can push back on a coverage decision if your case genuinely doesn’t fit the standard threshold.

Evidence

It’s worth knowing that even research on Medicare’s own criteria has started to question whether the strict 4-hour, 90-day cutoff reflects who actually benefits from therapy. A study presented at the American Thoracic Society’s annual meeting found that more than a third of patients who didn’t meet Medicare’s usage threshold were still using CPAP enough to see meaningful symptom and health improvement, leading the researchers to caution against relying solely on this cutoff for long-term coverage decisions.¹ A separate clinical review of real patient cases found that a substantial number of people who benefit from and want to continue CPAP fail to meet CMS criteria during the trial window, and outlined ways clinicians can better support patients through this period, including addressing complaints early and using extra troubleshooting visits.²

References

1. Hwang D, et al. Presented at the American Thoracic Society International Conference, 2026 (as reported in Powers Health, May 2026).