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{{CMG}} ; {{AE}} {{Adnan Ezici}}
==Overview==
Insomnia may be classified according to the duration of difficulty sleeping into 3 groups: short-term insomnia disorder (< 3 months), chronic insomnia disorder (sleep disturbances that occur at least three times per week for > 3 months), and other insomnia disorder.
==Classification==
==Classification==
Insomnia may be classified according to the duration of insomnia or pattern of insomnia.
*Insomnia may be classified according to the duration of difficulty sleeping by the 3rd Edition of International Classification of Sleep Disorder (ICSD-3) into 3 groups:<ref name="pmid30862990">{{cite journal |vauthors=Bollu PC, Kaur H |title=Sleep Medicine: Insomnia and Sleep |journal=Mo Med |volume=116 |issue=1 |pages=68–75 |date=2019 |pmid=30862990 |pmc=6390785 |doi= |url=}}</ref>
===Duration of insomnia===
**Short-term insomnia disorder (< 3 months)
Three types of insomnia exist: transient, acute, and chronic
**Chronic insomnia disorder (sleep disturbances that occur at least three times per week for > 3 months)
#'''Transient insomnia''' lasts from one night to a few weeks. Most people occasionally suffer from transient insomnia due to such causes as [[jet lag]] or short-term anxiety. If this form of insomnia continues to occur from time to time, the insomnia is classified as intermittent.
**Other insomnia disorder (sleep disturbances that do not meet the criteria for aforementioned groups)
#'''[[Acute (medical)|Acute]] insomnia''' is the inability to consistently sleep well for a period of between three weeks to six months.
 
#'''[[chronic (medicine)|Chronic]] insomnia''' is regarded as the most serious; persists almost nightly for at least a month.
*Historically, [[Insomnia]] was classified according to the presence of a [[comorbid]] condition (primary versus secondary insomnia) and the presence of an organic cause (organic vs non-organic). Then primary insomnia further classified by the 2nd Edition of International Classification of Sleep Disorder into:
**Psychophysiologic
**[[Idiopathic]]
**Paradoxical (sleep-state misperception)  
*However, due to the difficulty in the distinction of associations with comorbid diseases, the uncertain direction of causality between insomnia and comorbid diseases, and insufficient treatment of the sleep disturbance in patients with secondary insomnia (this classification resulted in focusing the treatment of comorbid condition while ignoring the treatment of insomnia), ICSD-3 bring together all insomnia diagnoses (ie, “primary” and “comorbid”) under the same roof, which is chronic insomnia disorder.<ref name="pmid25367475">{{cite journal |vauthors=Sateia MJ |title=International classification of sleep disorders-third edition: highlights and modifications |journal=Chest |volume=146 |issue=5 |pages=1387–1394 |date=November 2014 |pmid=25367475 |doi=10.1378/chest.14-0970 |url=}}</ref>


===Patterns of Insomnia===
The pattern of insomnia is often related to the etiology.[http://www.emedicine.com/MED/topic609.htm]
# Initial insomnia - difficulty falling asleep at the beginning of the night, often associated with [[anxiety disorder]]s.
# Middle insomnia - waking during the middle of the night, difficulty maintaining sleep. Often associated with pain syndromes or medical illness.
# Terminal (or late) insomnia - early morning waking. Characteristic of [[Clinical depression]].
==References==
==References==
{{Reflist|2}}
{{Reflist|2}}

Latest revision as of 11:11, 19 June 2021

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] ; Associate Editor(s)-in-Chief: Adnan Ezici, M.D[2]

Overview

Insomnia may be classified according to the duration of difficulty sleeping into 3 groups: short-term insomnia disorder (< 3 months), chronic insomnia disorder (sleep disturbances that occur at least three times per week for > 3 months), and other insomnia disorder.

Classification

  • Insomnia may be classified according to the duration of difficulty sleeping by the 3rd Edition of International Classification of Sleep Disorder (ICSD-3) into 3 groups:[1]
    • Short-term insomnia disorder (< 3 months)
    • Chronic insomnia disorder (sleep disturbances that occur at least three times per week for > 3 months)
    • Other insomnia disorder (sleep disturbances that do not meet the criteria for aforementioned groups)
  • Historically, Insomnia was classified according to the presence of a comorbid condition (primary versus secondary insomnia) and the presence of an organic cause (organic vs non-organic). Then primary insomnia further classified by the 2nd Edition of International Classification of Sleep Disorder into:
    • Psychophysiologic
    • Idiopathic
    • Paradoxical (sleep-state misperception)
  • However, due to the difficulty in the distinction of associations with comorbid diseases, the uncertain direction of causality between insomnia and comorbid diseases, and insufficient treatment of the sleep disturbance in patients with secondary insomnia (this classification resulted in focusing the treatment of comorbid condition while ignoring the treatment of insomnia), ICSD-3 bring together all insomnia diagnoses (ie, “primary” and “comorbid”) under the same roof, which is chronic insomnia disorder.[2]

References

  1. Bollu PC, Kaur H (2019). "Sleep Medicine: Insomnia and Sleep". Mo Med. 116 (1): 68–75. PMC 6390785. PMID 30862990.
  2. Sateia MJ (November 2014). "International classification of sleep disorders-third edition: highlights and modifications". Chest. 146 (5): 1387–1394. doi:10.1378/chest.14-0970. PMID 25367475.