National Sleep Foundation
Nonprofit organization supporting public education, sleep-related research, and advocacy related to sleep deprivation, sleep disorders, and excessive sleepiness. Extensive information on these topics. http://www.sleepfoundation.org/
ResMed
Design, manufacturing and marketing of nasal continuous positive airway pressure (CPAP) devices for the treatment of obstructive sleep apnea (OSA). http://www.resmed.com/