Insomnia

Brain waves predict our risk for insomnia

There may not yet be a cure for insomnia, but Concordia University researchers are a step closer to predicting who is most likely to suffer from it—just in time for World Sleep Day on March 13.

Mar 11, 2015
popularity 23 comments 0

Insomnia (or sleeplessness) is most often defined by an individual's report of sleeping difficulties. While the term is sometimes used in sleep literature to describe a disorder demonstrated by polysomnographic evidence of disturbed sleep, insomnia is often defined as a positive response to either of two questions: "Do you experience difficulty sleeping?" or "Do you have difficulty falling or staying asleep?"

Thus, insomnia is most often thought of as both a sign and a symptom that can accompany several sleep, medical, and psychiatric disorders, characterized by persistent difficulty falling asleep and/or staying asleep or sleep of poor quality. Insomnia is typically followed by functional impairment while awake. One definition of insomnia is difficulties initiating and/or maintaining sleep, or nonrestorative sleep, associated with impairments of daytime functioning or marked distress for more than 1 month."

Insomnia can be grouped into primary and secondary, or comorbid, insomnia. Primary insomnia is a sleep disorder not attributable to a medical, psychiatric, or environmental cause. A complete diagnosis will differentiate between:

This text uses material from Wikipedia licensed under CC BY-SA

Latest Spotlight News

New function of obesity gene revealed

Scientists have discovered a previously unknown mechanism behind how the fat mass and obesity associated (FTO) gene promotes obesity. Their findings may have important implications for future therapeutic ...

Tumors prefer the easy way out

Tumor cells become lethal when they spread. Blocking this process can be a powerful way to stop cancer. Historically, scientists thought that tumor cells migrated by brute force, actively pushing through whatever ...