Observational study of the Oura Ring's overnight sleep readings compared with a clinical sleep study

You may qualify if

• Healthy sample
• Ages 18-85 y
• Body mass index (BMI) <30 kg/m2
• Self-reported habitual sleep duration of 6-9 hours
• Willing and able to comply with the study requirements
• High risk for mild-to-severe sleep apnea, defined by at least one of the following:; Prior clinical diagnosis of obstructive sleep apnea (OSA); Currently seeking or actively undergoing treatment for sleep apnea (e.g., PAP therapy, oral appliance); Documented apnea-hypopnea index (AHI) ≥5 events/hour from a previous sleep study; Self-reported Habitual sleep duration of 6-9 hours; Willing and able to comply with study requirements

You can't join if

• High risk for mild-to-severe sleep apnea
• Individuals with pacemakers
• Non-English speakers
• Individuals who are unwilling or unable to provide informed consent or comply with study procedures
• Current active illness (e.g., cold, flu, bronchitis, suspected COVID-19)
• Have known allergies or previous reaction to titanium or medical-grade plastic
• Report regularly sleeping <4 hours per night
• Restricted peripheral circulation (e.g. Raynaud's disease)
• Individuals with physical limitations or deformities or skin conditions that would preclude safely wearing up to two Oura Ring devices or reference polysomnography equipment
• Individuals that have completed overnight rotating shift-work in the past 2 weeks
• Individuals that have traveled across time-zones in the past week
• Current use (within the past month) of the following medications/classes, pending investigator decision: Stimulants (Adderall, Ritalin); Sodium oxybate; Heroin, cocaine, or methamphetamines; Non-stimulant wake promoting agents (e.g. modafinil, pitolisant, etc.); Prescription sleep medication
• Individuals employed by a company that develops or sells medical and/or fitness devices in a similar space (e.g. wearables) or are technology journalists (e.g. professional bloggers, TV, magazine, newspaper reporters, etc.) Sleep Apnea sample
• Same as for Healthy Adult sample, with the exception of the "high risk for mild-to-moderate sleep apnea) criterion