American Academy of Sleep

The site features: sleep quiz and info on sleep hygiene, exercise and sleep, depression and sleep, menopause and sleep, pain and sleep, etc. The site also outlines info on common sleep disorders such as snoring, restless legs syndrome, and more.

National Sleep Foundation

The site features: scientific data on sleep, ask the expert section, sleep topics fact sheets, online community for sleep support, information on how to find a sleep professional.

Mayo Clinic

A list of tips on improving your sleep.

Sleep Clinics

Services for people with clinical sleep problems such as sleep apnea and restless leg syndrome.