Participants are moved to the sleep laboratory for the night where they are provided with beds.
* The participants are put on their prescribed airway pressure support with the first randomized mask.
* After at least 60 minutes of recording, participants are awakened to switch back to the second mask. They are then allowed to sleep uninterrupted for the rest of the night.
Age
18–any
Sex
ALL
Healthy volunteers
Not accepted
You may be eligible if
Age over 18 years
Prescribed nocturnal NIV for COPD or OHS
Able to complete an overnight sleep study
Comfortable to sleep on a standard double bed
Capacity to complete informed consent
You may not be if
Uncontrolled sleep apnea (Apnea-hypopnea index (AHI) over 15 events/hour off personal NIV device data)
Prescribed IPAP above 25 cmH2O
Allergic to adhesive of the sensors
Self-reported cold/flu symptoms
Clareo Health | The Effect of Mask Design on Ventilation Parameters in COPD and OHS Patients on Long-term Home Non-invasive Ventilation. An Experimental Study.