Study Participants (n = 7)

Age, median (IQR), y

62 (11)

Male participants, No. (%)

6 (86)

Female participants, No. (%)

1 (14)

Body mass index, mean (SD), kg/m²

27.6 (2.5)

Active opioid or benzodiazepine use, No. (%)

0 (0)

History of neck surgery, No. (%)^*

2 (29)

Baseline apnea-hypopnea index, mean (SD), events/hour

33.4 (17.4)

Continuous positive airway pressure intolerance

 Claustrophobia, No. (%)

1 (14)

 Noise/apparatus interferes with sleep, No. (%)

4 (57)

 Recurrent upper respiratory infection, No. (%)

1 (14)

 Other, No. (%)^**

1 (14)