WatchPAT Compared to PSG at 8500'

Assessment of Sleep-related Respiratory Disorders at High Altitude With the WatchPAT200TMU Compared to PSG.

Subjects who consent to participate in the research will undergo a simultaneous recording of inlab PSG and WatchPAT200 for comparing the WatchPAT data to PSG at an altitude of 8500'.

The efficacy of the WP200U will be evaluated by comparing it to the PSG manual scoring of sleep disordered breathing (SDB) parameter using the PSG manual scoring as a "gold standard"

Inclusion Criteria:

• Male and females ≥ age 17yrs
• Subject is able to read understand and sign the informed consent form.
• Willing to sleep with the WP200U and PSG simultaneously in the sleep lab.

Exclusion Criteria:

• Use of one of the following medications: alpha blockers, short acting nitrates (less than 3 hours before the study).

  • Any condition that in the opinion of the investigator may adversely affect the safety of the patient or would limit the patient ability to complete the study.