Insomnia

Insomnia

Insomnia, or sleeplessness, is a sleep disorder in which there is an inability to fall asleep or to stay asleep as long as desired. While the term is sometimes used to describe a disorder demonstrated by polysomnographic or actigraphic evidence of disturbed sleep, this sleep disorder is often practically defined as a positive response to either of two questions: "Do you experience difficulty sleeping?" or "Do you have difficulty falling or stayi...

... more on Wikipedia

Insomnia is also found on...

Symptoms of Graves-Basedow Disease Symptoms of Cushing's Syndrome Diseases Treated With Oxazepam Symptoms of Hyperthyroidism Diseases Treated By Cannabis Symptoms of Obesity Symptoms of Pellagra