Nearly one-third of the population reports new onset or acute insomnia in a given year.
Similarly, it is estimated that approximately 10% of the population endorses sleep initiation …

Primary insomnia (PI) is one of the most prevalent sleep disorders. For this reason, over the
last decades, several comprehensive and etiological theories have been proposed. In this …

Because some evidence favors the hyperarousal model of insomnia, we sought to learn
more about the dynamics of this phenomenon during sleep. Polysomnographic data from 30 …

Despite significant contributions made in the area of persistent/chronic insomnia, especially
with regard to the underlying mechanisms driving its maintenance, the area of acute …

Primary insomnia is defined as difficulties in falling asleep, maintaining sleep or non-
restorative sleep accompanied by significantly impaired daytime functioning in the absence …

Insomnia has usually been studied from a behavioral perspective. Somatic and/or cognitive
conditioned arousal was shown to play a central role in sleep complaints becoming chronic …

In the past few years it has become increasingly clear that insomnia is a chronic disease that
interacts with many other medical conditions. As our ability to examine complex …

There is growing interest in insomnia both from the perspective of recent advances in clinical
management as well as research aimed at elucidating its pathophysiology. This theoretical …

Insomnia is a symptom of difficulty initiating and maintaining sleep or experiencing
nonrefreshing sleep and is associated with daytime consequences. Although insomnia is …

Insomnia is characterized by difficulties with initiating or maintaining sleep, or nonrestorative
sleep, accompanied by daytime impairment. Primary insomnia (PI) is a largely exclusionary …