You put the mask on, close your eyes, and instead of drifting off like usual, you’re wide awake noticing the straps, the airflow, the pressure, everything. Sleep that normally comes easily just doesn’t, and the harder you try, the more awake you feel. Some nights you give up and take the mask off just to fall asleep, then feel discouraged the next morning knowing you didn’t get real therapy time in.

Why this happens

Falling asleep depends on your body feeling settled and unguarded enough to let go, and a new physical sensation on your face, paired with mechanical noise and airflow, can keep your nervous system in a mildly alert state even without full-blown claustrophobia or anxiety. This is extremely common in the first weeks of therapy simply because your body hasn’t built a normal association between “mask on” and “safe to sleep” yet. It can also be worse if you’re trying to fall asleep with the mask for the first time at night, rather than getting used to the sensation earlier in the day when there’s no pressure to actually sleep.

Steps to troubleshoot

1. Wear the mask during the day while doing something relaxing, watching TV, reading, without the goal of sleeping, so your brain gets used to the sensation without any pressure attached
2. Once daytime wear feels normal, try lying down awake with the mask and machine on for short stretches before you actually try to fall asleep at night
3. Use the ramp feature so the pressure starts low and builds gradually, giving your body a gentler transition into full pressure while you’re settling down
4. Keep your usual pre-sleep routine intact and put the mask on as the very last step, rather than the first thing you do when you get into bed
5. Avoid checking the clock or lying there frustrated if sleep doesn’t come quickly, since frustration itself becomes something your brain associates with the mask over time
6. If it’s been several weeks of consistent practice and it’s still not improving, or if it’s turning into difficulty falling asleep in general, not just with the mask, mention this at your next follow-up rather than continuing to push through alone

Who to talk to

Your respiratory therapist can walk you through a structured desensitization plan and can suggest comfort features like ramp or pressure relief to make the transition easier. Your sleep doctor should know if this doesn’t improve within a few weeks of consistent daytime and nighttime practice, since they can refer you to a behavioral sleep specialist for a more structured program, sometimes including a short daytime session with a sleep technologist specifically designed to help people get comfortable falling asleep with the device before trying it overnight.

Evidence

Structured desensitization approaches for CPAP, gradual daytime and nighttime exposure building up to full use, have research support for improving comfort and adherence in patients struggling to adapt to the device.¹ For people who need more support than self-guided practice provides, daytime sessions with a sleep technologist using relaxation and desensitization techniques, sometimes called a PAP-NAP, have shown improved rates of completing titration and going on to use CPAP consistently compared to patients who didn’t receive this kind of session.²

References

1. American Association of Sleep Technologists. Positive Airway Pressure Acclimation and Desensitization Guideline. 2022.
2. Krakow B, Ulibarri V, Melendrez D, Kikta S, Togami L, Haynes P. A daytime, abbreviated cardio-respiratory sleep study (CPT 95807-52) to acclimate insomnia patients with sleep disordered breathing to positive airway pressure (PAP-NAP). J Clin Sleep Med. 2008;4(3):212-222.