Clinical Research Directory

Inclusion Criteria: * Body mass index ≤42 kg/m2 * Able to speak, read, and write English Exclusion Criteria: * Known sleep disorder such as Obstructive Sleep Apnea (OSA), narcolepsy, restless leg syndrome, idiopathic hypersomnolence or chronic insomnia * No previous surgery, injury, or radiation to the neck * Excessive hair or beard in the area of the neck, and/or unwillingness to shave that area for the duration of this study * Inflammatory skin condition, such as acne or eczema in the neck area * Known silicone allergy * Night shift work because of irregular sleep-wake cycles * Excessive alcohol intake, defined as that leading to interference with work, home life, or the ability to optimally perform normal everyday duties and tasks * Use of illicit drugs currently or within the past 5 years * Serious pulmonary disease * Use of home oxygen or oxygen saturation \<94% * Cancer that has been in remission for less than one year * Previous surgery for peripheral arterial disease