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  2. Somnolence - Wikipedia

    en.wikipedia.org/wiki/Somnolence

    It has distinct meanings and causes. It can refer to the usual state preceding falling asleep, [1] the condition of being in a drowsy state due to circadian rhythm disorders, or a symptom of other health problems. It can be accompanied by lethargy, weakness and lack of mental agility. [2]

  3. Hypersomnia - Wikipedia

    en.wikipedia.org/wiki/Hypersomnia

    Neuromuscular diseases and spinal cord diseases often lead to sleep disturbances due to respiratory dysfunction causing sleep apnea, and they may also cause insomnia related to pain. [18] " Other sleep alterations, such as periodic limb movement disorders in patients with spinal cord disease, have also been uncovered with the widespread use of ...

  4. 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.

  5. Sleep disorder - Wikipedia

    en.wikipedia.org/wiki/Sleep_disorder

    When a person struggles to fall asleep or stay asleep without any obvious cause, it is referred to as insomnia, [2] which is the most common sleep disorder. [3] Other sleep disorders include sleep apnea , narcolepsy , hypersomnia (excessive sleepiness at inappropriate times), sleeping sickness (disruption of the sleep cycle due to infection ...

  6. Sleep-related non-obstructive alveolar hypoventilation, bidiopathic 327.24 G47.34 Congenital central alveolar hypoventilation syndrome 327.25 G47.35 Sleep-related hypoventilation/hypoxemia due to a medical condition: Sleep-related hypoventilation/hypoxemia due to pulmonary parenchymal or vascular pathology 327.26 G47.36

  7. Psychological stress and sleep - Wikipedia

    en.wikipedia.org/wiki/Psychological_stress_and_Sleep

    However, it is clear that stress and sleep in college students are interrelated, instead of one only affecting the other. "Stress and sleep affect each other. Poor sleep can increase stress, otherwise high-stress can also cause sleep disturbances". [8] As stated in a different way, the way stress and sleep are related is bidirectional in nature ...

  8. Excessive daytime sleepiness - Wikipedia

    en.wikipedia.org/wiki/Excessive_daytime_sleepiness

    Subjects undergo a series of five 20-minute sleeping opportunities with an absence of alerting factors at 2-hour intervals on one day. The test is based on the idea that the sleepier people are, the faster they will fall asleep. [15] [16] The Maintenance of Wakefulness Test (MWT) is also used to quantitatively assess daytime sleepiness. This ...

  9. Stress-related disorders - Wikipedia

    en.wikipedia.org/wiki/Stress-related_disorders

    However, the World Health Organization's ICD-11 excludes OCD but categorizes PTSD, Complex Post-Traumatic Stress Disorder (CPTSD), adjustment disorder as stress-related disorders. [2] Stress is a conscious or unconscious psychological feeling or physical condition resulting from physical or mental 'positive or negative pressure' that overwhelms ...