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  2. Sleep deprivation - Wikipedia

    en.wikipedia.org/wiki/Sleep_deprivation

    The negative effects of sleep deprivation on alertness and cognitive performance suggest decreases in brain activity and function. These changes primarily occur in two regions: the thalamus, a structure involved in alertness and attention, and the prefrontal cortex, a region subserving alertness, attention, and higher-order cognitive processes ...

  3. Is 4 hours of sleep enough? What sleeping too little does to ...

    www.aol.com/news/4-hours-sleep-enough-sleeping...

    Routinely sleeping less than you need can lead to sleep deprivation, which has many health effects. But even one night of too little sleep can impact you the following day. Short-term health ...

  4. How going to bed past midnight could affect your mental health

    www.aol.com/lifestyle/going-bed-past-midnight...

    New research suggests that night owls who went to bed later than 1 a.m. experienced poor mental health outcomes compared to people who went to bed earlier, regardless of their chronotype.

  5. Is 5 hours of sleep at night enough? - AOL

    www.aol.com/news/5-hours-sleep-night-enough...

    Doctors explain how much sleep you need, quality sleep basics, health effects of sleeping 5 hours and tips for better sleep. ... Between work, school, parenting or late night doom-scrolling, it's ...

  6. Effects of sleep deprivation on cognitive performance

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

    Compounding this is the proven dissociation between objective performance and subjective alertness; people vastly underestimate the effect that sleep deprivation has on their cognitive performance, particularly during the circadian night. [56] Many of acute sleep deprivation's effects can be countered by napping, the longer the more beneficial ...

  7. 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 ...

  8. Sleep and emotions - Wikipedia

    en.wikipedia.org/wiki/Sleep_and_emotions

    Deficient sleep patterns are prominent in many psychiatric ailments. [18] Insomnia increases the risk of a depressive episode, sleep deprivation influences the onset of hypomania, and sleep disturbance contributes to the maintenance of mood disorders. [19] Amongst manic bipolar patients, sleep loss may act as a trigger in the onset of a manic ...

  9. Delayed sleep phase disorder - Wikipedia

    en.wikipedia.org/wiki/Delayed_sleep_phase_disorder

    Often people with DSPD manage only a few hours sleep per night during the working week, then compensate by sleeping until the afternoon on weekends. Sleeping late on weekends, and/or taking long naps during the day, may give people with DSPD relief from daytime sleepiness. [citation needed] People with DSPD can be called "night owls". They feel ...