Insomnia

Antiviral protein linked to depressed mood in mice

The flu and other viral infections have long been known to cause mood changes, beyond the more familiar symptoms of fever and sore throat. A study in mice, published April 19, 2016 in Immunity, now reveals how the antiviral ...

Apr 19, 2016
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Weighing the health benefits of coffee

Chances are, you or someone you know is a coffee drinker. Admittedly, I love coffee and my relationship with it is one of slight dependency. Thus I am fully invested in exploring the research into its health effects.

Apr 15, 2016
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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

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