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  2. Night terror - Wikipedia

    en.wikipedia.org/wiki/Night_terror

    Night terror, also called sleep terror, is a sleep disorder causing feelings of panic or dread and typically occurring during the first hours of stage 3–4 non-rapid eye movement (NREM) sleep [1] and lasting for 1 to 10 minutes. [2] It can last longer, especially in children. [2]

  3. Psychological stress and sleep - Wikipedia

    en.wikipedia.org/wiki/Psychological_stress_and_Sleep

    Long-term effects can result from years of persistent feelings of excessive levels of stress and consequently getting a consistent lack of sleep. Excessive stress and sleep deprivation can cause cardiovascular issues, such as high blood pressure and heart disease.

  4. Sleep deprivation - Wikipedia

    en.wikipedia.org/wiki/Sleep_deprivation

    Molecular pathway of REM sleep deprivation-induced apoptosis in neurons. Sleep is necessary to repair cellular damage caused by reactive oxygen species and DNA damage. During long-term sleep deprivation, cellular damage aggregates up to a tipping point that triggers cellular degeneration and apoptosis.

  5. Rapid eye movement sleep behavior disorder - Wikipedia

    en.wikipedia.org/wiki/Rapid_eye_movement_sleep...

    RBD is a sleep disorder characterized by the loss of normal skeletal muscle atonia during REM sleep and is associated with prominent motor activity and vivid dreaming. [6] [2] These dreams often involve screaming, shouting, laughing, crying, arm flailing, kicking, punching, choking, and jumping out of bed.

  6. 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.

  7. Sleep disorder - Wikipedia

    en.wikipedia.org/wiki/Sleep_disorder

    Rapid eye movement sleep behavior disorder (RBD), acting out violent or dramatic dreams while in REM sleep, sometimes injuring bed partner or self (REM sleep disorder or RSD). [88] Restless legs syndrome (RLS), an irresistible urge to move legs. Shift work sleep disorder (SWSD), a situational circadian rhythm sleep disorder.

  8. Stress in early childhood - Wikipedia

    en.wikipedia.org/wiki/Stress_in_early_childhood

    According to Shonkoff, extreme, long-lasting stress in the absence of supportive relationships to buffer the effects of a heightened stress response can produce damage and weakening of bodily and brain systems, which can lead to diminished physical and mental health throughout a person's lifetime. Extreme exposure to such toxic stress can ...

  9. Rapid eye movement sleep - Wikipedia

    en.wikipedia.org/wiki/Rapid_eye_movement_sleep

    Rapid eye movement sleep (REM sleep or REMS) is a unique phase of sleep in mammals (including humans) and birds, characterized by random rapid movement of the eyes, accompanied by low muscle tone throughout the body, and the propensity of the sleeper to dream vividly. The core body and brain temperatures increase during REM sleep and skin ...