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  2. Insomnia: causes, symptoms, treatments and how it affects you

    www.aol.com/lifestyle/insomnia-causes-symptoms...

    Can stress or anxiety cause insomnia? Yes, stress and anxiety are significant risk factors for insomnia. "When an individual is stressed or anxious, the body's arousal system is activated, making ...

  3. Psychological stress and sleep - Wikipedia

    en.wikipedia.org/wiki/Psychological_stress_and_Sleep

    Excessive stress and sleep deprivation can cause cardiovascular issues, such as high blood pressure and heart disease. In a study focusing on the impacts of chronic stress on the heart, it was found that during times of chronic stress, the body hyperactivates the sympathetic nervous system which leads to changes in heart rate variability. [ 22 ]

  4. Insomnia affects up to 50% of adults and can hurt your body ...

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    Insomnia is one of the most common sleep disorders, with the Centers for Disease Control and Prevention reporting that as many as one in two adults experience short-term bouts, while one in 10 may ...

  5. Sleep deprivation - Wikipedia

    en.wikipedia.org/wiki/Sleep_deprivation

    While there are short-term performance benefits to caffeine consumption, overuse can lead to insomnia symptoms or worsen pre-existing insomnia. [138] Consuming caffeine to stay awake at night may lead to sleeplessness, anxiety, frequent nighttime awakenings, and overall poorer sleep quality. [139]

  6. Hypnic jerk - Wikipedia

    en.wikipedia.org/wiki/Hypnic_jerk

    It can also be accompanied by a vivid dream experience or hallucination. [3] A higher occurrence is reported in people with irregular sleep schedules. [4] When they are particularly frequent and severe, hypnic jerks have been reported as a cause of sleep-onset insomnia. [3] Hypnic jerks are common physiological phenomena. [5]

  7. When the winter days get shorter, the nation's sleep ... - AOL

    www.aol.com/news/winter-days-shorter-nations...

    Sleep deprivation and poor sleep quality are strongly linked to mental health struggles like anxiety and depression. ... trigger a temporary mood dip—it can cause lasting changes in sleep ...

  8. Effects of sleep deprivation on cognitive performance

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

    Additionally, lack of sleep causes increased anxiety-like behaviors and impairs the brain's ability to block out unimportant stimuli when performing tasks requiring attention. Disruptions in important brain circuits and the downregulation of proteins necessary for cognitive stability are the causes of these behavioral abnormalities. [30]

  9. Is This the Reason You Can't Sleep? New Study Reveals ... - AOL

    www.aol.com/reason-cant-sleep-study-reveals...

    The Guardian reports that one of the genes impacted by PFAS is the cathepsin B gene, which can create enzymes, when in high levels, have in turn been linked to both sleep disorders and Alzheimer's ...