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  2. Non-24-hour sleep–wake disorder - Wikipedia

    en.wikipedia.org/wiki/Non-24-hour_sleep–wake...

    Although this sleep disorder is more common in blind people, affecting up to 70% of the totally blind, [4] it can also affect sighted people. Non-24 may also be comorbid with bipolar disorder, depression, and traumatic brain injury. [2]

  3. Effects of sleep deprivation on cognitive performance

    en.wikipedia.org/wiki/Effects_of_sleep...

    Lack of sleep has a significant impact on cognitive and physical performance, especially in endurance sports. Long-term sleep deprivation was shown to affect neurobehavioral function, including hallucinations and reduced reaction times, in a study of ultramarathon runners.

  4. Visual impairment - Wikipedia

    en.wikipedia.org/wiki/Visual_impairment

    Visual or vision impairment (VI or VIP) is the partial or total inability of visual perception.In the absence of treatment such as corrective eyewear, assistive devices, and medical treatment, visual impairment may cause the individual difficulties with normal daily tasks, including reading and walking. [6]

  5. Sleep apnea impacts brain in ways that may affect cognitive ...

    www.aol.com/lifestyle/sleep-apnea-impacts-brain...

    “Of importance, if sleep apnea affects the brain health and increases the risk for dementias, then treatment of it can serve as a strategy to improve brain health and prevent these disorders ...

  6. 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.

  7. How people who are blind dream - AOL

    www.aol.com/article/2014/06/18/how-people-who...

    A new study published in the journal Sleep Medicine focused on how the blind dream. For sighted people, dreaming is primarily a visual ... A new study published in the journal Sleep Medicine ...

  8. Visual memory - Wikipedia

    en.wikipedia.org/wiki/Visual_memory

    Findings surrounding sleep and visual memory have been mixed. Studies have reported performance increases after a bout of sleep compared with the same period of waking. The implications of this are that there is a slow, offline process during sleep that strengthens and enhances the memory trace. [20]

  9. Physical disability - Wikipedia

    en.wikipedia.org/wiki/Physical_disability

    A physical disability is a limitation on a person's physical functioning, mobility, dexterity or stamina. [1] Other physical disabilities include impairments which limit other facets of daily living , such as respiratory disorders , blindness , epilepsy [ 2 ] and sleep disorders .