Conditions list medically reviewed by George Krucik, MD, MBA
Sleep disorders are a group of conditions that affect the ability to sleep well on a regular basis. Learn about sleep disorder symptoms, types, and treatment.
Narcolepsy is a disorder of the nervous system that causes drowsiness and sleep attacks. Read more about this disorder.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.