Prevention of Airway Obstruction Events

Inclusion Criteria:

• No history of self-reported cardiovascular or neurological issues
• Must be a current PAP machine user.
• Must have used PAP machines for more than 4 months.
• Must be at least 18 years old
• Must be able to comply with all study requirements as outlined in the consent form
• Must be able to understand English and be willing to provide written informed consent
• For all nights of the study, participant must be willing to lend their personal PAPdevice for inspection.
• Must be willing to have their CPAP SD memory card analyzed by OSCAR to determine theiraverage OAI over the past 30 days of use.
• For the low OAI group, participants must have an average OAI between 0.8 - 2.99 andAHI < 5.0 in the past 30 days, which would result in at least one obstructive apneaevery two hours each night.
• For the high OAI group, participants must have an average OAI ≥ 3.0 and AHI ≥ 5.0 inthe past 30 days, which would result in around 5 obstructive apneas every hour eachnight.

Exclusion Criteria:

• Subjects actively using bi-level PAP or require oxygen therapy
• History of severe cardiovascular disease, including NYHA Class III or IV heartfailure, CAD with angina, or MI/stroke within past 6 months
• Subjects who are medically complicated or who are medically unstable (i.e. cancer,dementia, unstable cardiac or respiratory disease, or unstable psychiatric illness)
• Potential sleep apnea complications that in the opinion of the clinician may affectthe health and safety of the participant
• Subjects exhibiting any flu-like or any upper airway tract infection symptoms at thetime of assessment
• Pregnant (confirmed verbally)
• Inability or unwillingness of individual to give written informed consent
• Has received bariatric surgery All participants currently screened, enrolled, and consented who have not yet had allovernight testing done, AND who have an OAI < 3.0 and AHI < 5.0, will be excluded from thestudy, as this group has been fully enrolled to date.