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  2. Hypersomnia - Wikipedia

    en.wikipedia.org/wiki/Hypersomnia

    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.

  3. Excessive daytime sleepiness - Wikipedia

    en.wikipedia.org/wiki/Excessive_daytime_sleepiness

    EDS can be a symptom of a number of factors and disorders. Specialists in sleep medicine are trained to diagnose them. Some are: 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 ...

  4. Sleep deprivation - Wikipedia

    en.wikipedia.org/wiki/Sleep_deprivation

    It's suggested that idiopathic insomnia is a neurochemical problem in a part of the brain that controls the sleep-wake cycle, resulting in either under-active sleep signals or over-active wake signals. Sleep state misperception is diagnosed when people get enough sleep but inaccurately perceive that their sleep is insufficient. [128]

  5. National Sleep Foundation - Wikipedia

    en.wikipedia.org/wiki/National_Sleep_Foundation

    The 2002 Sleep in America poll (1,010 people surveyed) first suggested that as many as 47 million Americans were risking injury and health problems because they were not sleeping enough. [7] Media coverage of 2002 Sleep in America poll suggested a sleep "crisis" and an "epidemic," and included headlines suacha as "Epidemic of daytime sleepiness ...

  6. Other Sleep Disorders: Other physiological (organic) sleep disorder 327.8 G47.8 Other sleep disorder not due to a known substance or physiological condition 327.8 G47.9 Environmental sleep disorder 307.48 F51.8 Sleep disorders associated with conditions classifiable elsewhere: Fatal familial insomnia 046.8 A81.8 Fibromyalgia: 729.1 M79.7

  7. Circadian rhythm sleep disorder - Wikipedia

    en.wikipedia.org/wiki/Circadian_rhythm_sleep...

    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.