The American Academy of Sleep Medicine (AASM) is a United States professional society for the medical subspecialty of sleep medicine. It was established in 1975. The AASM is the only professional society that is dedicated exclusively to the medical subspecialty of sleep medicine.

NSF is an independent nonprofit organization in the USA whose objectives are to improve public health and safety by achieving understanding of sleep and sleep disorders, and by supporting sleep-related education, research, and advocacy.

This site offers information on sleep disorders such as sleep apnea, narcolepsy, insomnia, parasomnia, jet-lag syndrome, and disturbed biological and circadian rhythms. Information available includes the problems, diagnosis, treatment, and more.

This non-profit organization promotes awareness of and treatment for sleep apnea.

The Sleep Research Society aims to educate society about sleep and sleep disorders and conducts research in the field.

The Center for Disease Control and Prevention (CDC) has information on sleep disorders and links to various publications and statistical studies.