Research Studies

Inclusion Criteria: 1. Age 13-21 years 2. Referral to the CHCO Sleep Lab due to concerns for OSA and presenting with symptoms such as snoring, witnessed apneas, daytime sleepiness, mouth breathing, etc. 3. Overweight/obesity (BMI &#8805;85th%ile for age and sex) and 4. One of the following: 1. Otherwise healthy, 2. PCOS, 3. Type 2 diabetes Exclusion Criteria: 1. Medical conditions that can affect the tonometer reading or that are commonly treated with medications that can affect readings: peripheral vascular disease, systemic hypertension, cardiac disease, severe lung disease, neuromuscular disease, epilepsy, sickle cell crisis. 2. Medical conditions that can potentially limit tolerance of the WatchPAT device: autism spectrum disorder, Trisomy 21 and neurodevelopmental disorders. 3. Finger problems or limb differences that would preclude probe application. 4. IQ<70, severe mental illness impacting ability to provide informed consent