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  2. Sleep disorder - Wikipedia

    en.wikipedia.org/wiki/Sleep_disorder

    A sleep disorder, or somnipathy, is a medical disorder affecting an individual's sleep patterns, sometimes impacting physical, mental, social, and emotional functioning. [1] Polysomnography and actigraphy are tests commonly ordered for diagnosing sleep disorders.

  3. Excessive daytime sleepiness - Wikipedia

    en.wikipedia.org/wiki/Excessive_daytime_sleepiness

    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

  4. Fatal insomnia - Wikipedia

    en.wikipedia.org/wiki/Fatal_insomnia

    Fatal insomnia is an extremely rare neurodegenerative prion disease that results in trouble sleeping as its hallmark symptom. [2] The majority of cases are familial (fatal familial insomnia [FFI]), stemming from a mutation in the PRNP gene, with the remainder of cases occurring sporadically (sporadic fatal insomnia [sFI]).

  5. Circadian rhythm sleep disorder - Wikipedia

    en.wikipedia.org/.../Circadian_rhythm_sleep_disorder

    Circadian rhythm sleep disorders (CRSD), also known as circadian rhythm sleep–wake disorders (CRSWD), are a family of sleep disorders that affect the timing of sleep. CRSDs cause a persistent pattern of sleep/wake disturbances that arise either by dysfunction in one's biological clock system, or by misalignment between one's endogenous oscillator and externally imposed cues.

  6. Idiopathic hypersomnia - Wikipedia

    en.wikipedia.org/wiki/Idiopathic_hypersomnia

    Idiopathic hypersomnia (IH) is a neurological disorder which is characterized primarily by excessive sleep and excessive daytime sleepiness (EDS). [1] Idiopathic hypersomnia was first described by Bedrich Roth in 1976, and it can be divided into two forms: polysymptomatic and monosymptomatic.

  7. Advanced sleep phase disorder - Wikipedia

    en.wikipedia.org/wiki/Advanced_sleep_phase_disorder

    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).

  8. Circadian rhythm sleep disorder, advanced sleep phase type 327.32 G47.22 Circadian rhythm sleep disorder, irregular sleep-wake type 327.33 G47.23 Circadian rhythm sleep disorder, free-running (non-entrained) type 327.34 G47.24 Circadian rhythm sleep disorder, jet lag type 327.35 G47.25 Circadian rhythm sleep disorder, shift work type 327.36 G47.26

  9. Dyssomnia - Wikipedia

    en.wikipedia.org/wiki/Dyssomnia

    Dyssomnias are primary disorders of initiating or maintaining sleep or of excessive sleepiness and are characterized by a disturbance in the amount, quality, or timing of sleep. Patients may complain of difficulty getting to sleep or staying asleep, intermittent wakefulness during the night, early morning awakening, or combinations of any of these.