Description
Inclusion Criteria:
- * Body mass index \< 40 kg/m\^2.
- * 18 to 60 years old.
- * Newly diagnosed sleep apnea (i.e. apnea/hypopnea index \< 100 events per hour - average nocturnal oxygen saturation \> 85 %) that has not been treated.
- * Diagnosed with prehypertension or Stage 1 hypertension as categorized by the American Heart Association
- * Not pregnant.
- * Normal lung function.
- * Minimal alcohol consumption (i.e. no more than the equivalent of a glass of wine/day)
- * A typical sleep/wake schedule (i.e. participants will not be night shift workers or have recently travelled across time zones).
- * For spinal cord injured participants (Aim-2): incomplete spinal cord lesions at C3 or below and above T12 (greater than 36 mos. post-SCI) without joint contractures but with signs of voluntary ankle, knee and hip movements and the ability to ambulate at least one step without human assistance.
Exclusion Criteria:
- * Any disease other than high blood pressure and sleep apnea.
- * Medications for high blood pressure and sleep promoting supplements including melatonin
- * Current effective CPAP usage (greater than 4 hours per night).
- * Night Shift workers or recently traveled across time zones.
Ages Eligible for Study:
18 Years to 60 Years (ADULT)
Sexes Eligible for Study: ALL
Accepts Healthy Volunteers:
No