Sleep Disorders Make an Appointment Find a Doctor Ask a Question Reviewed by Sheila Tsai, MD (March 01, 2017) Sleep is an important, often pleasant experience for many people. For some people, lack of restful sleep is a constant and sometimes dangerous problem. People may have a medical condition known as a sleep disorder. A sleep disorder can worsen existing medical conditions, and it also can lead to new health problems. At National Jewish Health, doctors believe people with sleep disorders can lead active and full lives. You should be able to: Participate in activities at work and school without excessive sleepiness Sleep well through the night Wake up feeling well rested Overall management of a sleep disorder depends on your sleep disorder but often include: Learning more about your sleep disorder Good sleep habits Using and understanding sleep devices Using and understanding medications Types of sleep disorders include: Circadian Rhythm Sleep Disorders Excessive Sleepiness Insomnia Narcolepsy Obstructive Sleep Apnea Parasomnias Periodic Limb Movement Disorder and Restless Legs Syndrome Epworth Sleepiness Scale Are you sleepy all the time? Use the Epworth Sleepiness Scale (ESS) to measure your daytime sleepiness. The Epworth Sleepiness Scale (ESS) is a questionnaire people can take to assess daytime sleepiness. Programs & Services Sleep Center Clinical Trials For more than 100 years, National Jewish Health has been committed to finding new treatments and cures for diseases. Search our clinical trials.