- "2011 National Institutes of Health Sleep Disorders Research Plan"
- CPAP (Health Topics)
- National Center on Sleep Disorders Research
- Sleep Deprivation and Deficiency (Health Topics)
- Severe Sleep Apnea Tied to Increased Risk of Death (NHLBI News Release, August 2009)
- Sleep Apnea Tied to Increased Risk of Stroke (NHLBI News Release, April 2010)
- Sleep Studies (Health Topics)
- Updated NIH Sleep Disorders Research Plan Seeks To Promote and Protect Sleep Health (NHLBI News Release, November 2011)
- "Your Guide to Healthy Sleep"
- Sleep and Sleep Disorders Fact Sheet (Centers for Diseases Control and Prevention)
- Sleep Apnea (MedlinePlus)
- Sleep Disorders (MedlinePlus)