Return to. Sleep disorders involve any difficulties related to sleeping, including difficulty falling or staying asleep, falling asleep at inappropriate times, excessive total sleep time, or abnormal behaviors associated with sleep. www. nlm. nih. gov/medlineplus/ency/article/000800. htm#Def. www. nlm. nih. gov/medlineplus/ency/article/000800. htm#Definition. Everything you wanted to know about sleep disorders but were too tired to ask. Open Sleep Forum. SleepNet links to over 200 sites. Come on in and check it out. www. sleepnet. com/ www. sleepnet. com/. sleepfoundation. org is dedicated to improving the quality of life for Americans who suffer from sleep problems and disorders such as insomnia, sleep apnea and restless legs syndrome. NSF helps everyone better understand the importance of sleep and the benefits of good sleep habits, and recognizing the signs of sleep. www. sleepfoundation. org/ www. sleepfoundation. org/. Everything you wanted to know about sleep disorders but were too tired to ask. Open Sleep Forum. SleepNet links to over 200 sites. Come on in and check it out. Sleep Disorders Information Homepage. www. sleepnet. com/disorder. htm www. sleepnet. com/disorder. htm. Services and providers for Sleep Disorders in the U. S. The primary NIH organization for research on Sleep Disorders is the National Heart, Lung, and Blood Institute. www. nlm. nih. gov/medlineplus/sleepdisorders. html www. nlm. nih. gov/medlineplus/sleepdisorders. html. A sleep disorder (somnipathy) is a medical disorder of the sleep patterns of a person or animal. Some sleep disorders are serious enough to interfere with normal physical, mental and emotional functi. en. wikipedia. org/wiki/Sleep_disorder. Part of the National Heart, Lung, and Blood Institute (NHLBI). Coordinates government-sponsored sleep research, training and education. www. nhlbi. nih. gov/about/ncsdr/. The interactive multimedia tutorial is accessible without a screen-reader. The Text Summary is screen-reader accessible. Download Acrobat Reader 6 which includes a built-in reader. www. nlm. nih. gov/medlineplus/tutorials/sleepdisorders/ht. www. nlm. nih. gov/medlineplus/tutorials/sleepdisorders/htm/index. htm. Embed URL. bb&ob; border-bottom : 1px solid #E2ECF5; &cb;.