PMP-300E (Smart Watch): Portable Monitoring Device Study

Inclusion Criteria:Inclusion Criteria:

   - Age 18 and over.

   - Require a sleep diagnostic study by physician's order.

   - Able and willing to provide written informed consent.

   - Able to speak and read English.

Exclusion Criteria:Exclusion Criteria:

   - Participation in another interventional research study within the last 30 days.

   - Unstable medical or psychiatric conditions that would interfere with the demands of
   the study or the ability to commit to follow-up assessment. Examples include unstable
   congestive heart failure, neuromuscular disease, cancer, and renal failure.

   - Chronic respiratory failure or insufficiency with suspected or known neuromuscular
   disease, moderate or severe COPD or other pulmonary disorders, or any condition with
   an elevation of arterial carbon dioxide levels (> 45 mmHg) while awake or participants
   qualifying for oxygen therapy (arterial saturation 88% for more than five minutes).

   - Consumption of ethanol more than 4 nights per week. (CAGE criteria)

   - Use of recreational drug within the past 12 months.

   - Women who are pregnant or currently lactating.