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Advanced Sleep Phase Disorder (ASPD), also known as the advanced sleep-phase type (ASPT) of circadian rhythm sleep disorder, is a condition that is characterized by a recurrent pattern of early evening (e.g. 7-9 PM) sleepiness and very early morning awakening (e.g. 2-4 AM). This sleep phase advancement can interfere with daily social and work ...
Daytime lapses into sleep or an irrepressible need to sleep on a daily basis, for at least 3 months; Absence of insufficient sleep syndrome; Absence of cataplexy; Absence of other causes of hypersomnia; The presence of positive MSLT tests. [32] [33] [34] The latest ICD-10 defines IH with long sleep time as a neurological disorder that is a rare ...
A circadian rhythm is an entrainable, endogenous, biological activity that has a period of roughly twenty-four hours. This internal time-keeping mechanism is centralized in the suprachiasmatic nucleus (SCN) of humans, and allows for the internal physiological mechanisms underlying sleep and alertness to become synchronized to external environmental cues, like the light-dark cycle. [4]
Sleep apnea is the second most frequent cause of secondary hypersomnia, affecting up to 4% of middle-aged adults, mostly men. Upper airway resistance syndrome (UARS) is a clinical variant of sleep apnea that can also cause hypersomnia. [8] Just as other sleep disorders (like narcolepsy) can coexist with sleep apnea, the same is true for UARS.
R06.3 Central sleep apnea due to high altitude periodic breathing 327.22 G47.32 Central sleep apnea due to a medical condition, not Cheyne-Stokes 327.27 G47.31 Central sleep apnea due to a drug or substance 327.29 F10-19 Primary sleep apnea of infancy 770.81 P28.3 Obstructive sleep apnea syndromes: Obstructive sleep apnea, adult 327.23 G47.33
Insufficient quality or quantity of night time sleep [5] Obstructive sleep apnea [6] Misalignments of the body's circadian pacemaker with the environment (e.g., jet lag, shift work, or other circadian rhythm sleep disorders) [7] Another underlying sleep disorder, such as narcolepsy, sleep apnea, [8] idiopathic hypersomnia, or restless legs syndrome
Sleep–wake logs and/or actigraphy monitoring for at least two weeks document a consistent habitual pattern of sleep onsets, usually later than 2 am, and lengthy sleeps. Occasional noncircadian days may occur (i.e., sleep is "skipped" for an entire day and night plus some portion of the following day), followed by a sleep period lasting 12 to ...
Three major categories, F51 as nonorganic sleep disorders, G47 organic sleep disorders and R- as symptoms of sleep disorders 2013 ICSD-3 DSM-V Lumping and splitting of sleep disorders and concordance of two systems 2015 ICD-11 Beta [13] Proposed beta version yet to be finalized in line with ICDS3 and DSM V