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Identifying a direct cause for insomnia, particularly in cases of primary insomnia, can be challenging. However, various issues can contribute. Here are some of the most common causes and risk ...
The concept of the word insomnia has two distinct possibilities: insomnia disorder (ID) or insomnia symptoms, and many abstracts of randomized controlled trials and systematic reviews often underreport on which of these two possibilities the word refers to. [13] Insomnia can occur independently or as a result of another problem. [2]
Primary insomnia is a sleep disorder not attributable to a medical, psychiatric, or environmental cause. [127] There are three main types of primary insomnia. These include psychophysiological, idiopathic insomnia, and sleep state misperception (paradoxical insomnia). [124] Psychophysiological insomnia is anxiety-induced.
In linguistics, Immediate Constituent Analysis (ICA) is a syntactic theory which focuses on the hierarchical structure of sentences by isolating and identifying the constituents. While the idea of breaking down sentences into smaller components can be traced back to early psychological and linguistic theories, ICA as a formal method was ...
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Insomnia disorder (primary insomnia), chronic difficulty in falling asleep or maintaining sleep when no other cause is found for these symptoms. Insomnia can also be comorbid with or secondary to other disorders. Kleine–Levin syndrome, a rare disorder characterized by persistent episodic hypersomnia and cognitive or mood changes. [84]
Insomnia is the most common sleep problem, with many adults reporting occasional insomnia, and 10–15% reporting a chronic condition. [117] Insomnia can have many different causes, including psychological stress , a poor sleep environment, an inconsistent sleep schedule, or excessive mental or physical stimulation in the hours before bedtime.