Insomnia

Sedentary lifestyle spells more menopause misery

Sedentary middle-aged Hispanic women in Latin America have significantly worse menopause symptoms than their active counterparts, shows a study of more than 6,000 women across Latin America, which was published online today ...

Jan 27, 2016
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Adolescents stress more with poor sleep

A new study from the University of Alabama at Birmingham indicates that adolescents who experience sleep problems and longer sleep duration are more reactive to stress, which could contribute to academic, behavioral and health ...

Jan 15, 2016
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Lead exposure impacts children's sleep

A new research study from the University of Pennsylvania School of Nursing (Penn Nursing) shows that lead exposure in early childhood are associated with increased risk for sleep problems and excessive daytime sleepiness ...

Nov 12, 2015
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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:

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