May 2019 By PsychDB.com

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sleep:5-circadian-rhythm-sleep-wake-disorders [June 2018]
PsychDB.com [Specifiers]
sleep:5-circadian-rhythm-sleep-wake-disorders [May 2019] (current)
PsychDB.com ↷ Page moved and renamed from sleep:5-circadian-rhythm-sleep-wake-disorders:home to sleep:5-circadian-rhythm-sleep-wake-disorders
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 +====== Circadian Rhythm Sleep-Wake Disorders ======
 +{{INLINETOC}}
 +===== Primer =====
 +**Circadian Rhythm Sleep-Wake Disorders** all involve a problem in the timing of when an individual sleeps and is awake. The human body has a master circadian clock in a control centre of the brain known as the suprachiasmatic nucleus (SCN).  ​
 +
 +===== Diagnostic Criteria =====
 +<WRAP group>
 +<WRAP half column>
 +== Criterion A ==
 +A persistent or recurrent pattern of sleep disruption that is primarily due to an alteration of the circadian system or to a misalignment between the endogenous circadian rhythm and the sleep-wake schedule required by an individual’s physical environment or social or professional schedule.
 +</​WRAP>​
 +<WRAP half column>
 +== Criterion B ==
 +The sleep disruption leads to excessive sleepiness or insomnia, or both.
 +
 +== Criterion C ==
 +The sleep disturbance causes clinically significant distress or impairment in social, occupational,​ and other important areas of functioning.
 +</​WRAP></​WRAP>​
 +===== Specifiers =====
 +<WRAP group>
 +<WRAP half column>
 +==== Delayed sleep phase type ====
 +A pattern of delayed sleep onset and awakening times, with an inability to fall asleep and awaken at a desired or convention ally acceptable earlier time.
 +    * **Familial**:​ A family history of delayed sleep phase is present.
 +    * **Overlapping with non-24-hour sleep-wake type**: Delayed sleep phase type may overlap with another circadian rhythm sleep-wake disorder, non-24-hour sleep-wake type.
 +==== Advanced sleep phase type ====
 +A pattern of advanced sleep onset and awakening times, with an inability to remain awake or asleep until the desired or conventionally acceptable later sleep or wake times.
 +    * **Familial**:​ A family history of advanced sleep phase is present.
 +
 +====Irregular sleep-wake type====
 +A temporally disorganized sleep-wake pattern, such that the timing of sleep and wake periods is variable throughout the 24- hour period.
 +</​WRAP>​
 +<WRAP half column>
 +====Non-24-hour sleep-wake type====
 +A pattern of sleep-wake cycles that is not synchronized to the 24-hour environment,​ with a consistent daily drift (usually to later and later times) of sleep onset and wake times.
 +
 +====Shift work type====
 +Insomnia during the major sleep period and/or excessive sleepiness (including inadvertent sleep) during the major awake period associated with a shift work schedule (i.e., requiring unconventional work hours).
 +
 +====Unspecified type====
 +
 +== Severity Specifier ==
 +**Specify if:**
 +  * **Episodic**:​ Symptoms last at least 1 month but less than 3 months.
 +  * **Persistent**:​ Symptoms last 3 months or longer.
 +  * **Recurrent**:​ Two or more episodes occur within the space of 1 year.
 +</​WRAP></​WRAP>​
 +
 +===== Treatment =====
 +While light therapy and melatonin can help, it is more effective and ethical to lobby for developmentally appropriate polices for school hours.
 +===== Resources =====
 +
 +<WRAP group>
 +<WRAP quarter column>
 +==== For Patients ====
 +
 +</​WRAP>​
 +
 +<WRAP quarter column>
 +==== For Providers ====
 +
 +</​WRAP>​
 +<WRAP quarter column>
 +== Articles ==
 +
 +</​WRAP>​
 +<WRAP quarter column>
 +== Research ==
 +
 +</​WRAP>​
 +</​WRAP>​