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Randy Gardner (born c. 1946) is an American man from San Diego, California, who once held the record for the longest amount of time a human has gone without sleep.In December 1963/January 1964, 17-year-old Gardner stayed awake for 11 days and 24 minutes (264.4 hours), breaking the previous record of 260 hours held by Tom Rounds.
Directed attention fatigue (DAF) is a neuropsychological phenomenon that results from overuse of the brain’s inhibitory attention mechanisms, which handle incoming distractions while maintaining focus on a specific task.
It has been found that emotions vary depending on the circadian rhythm and the duration of how long one was awake. [45] Circadian sleep-rhythm disorders like shift-work disorder or Jetlag-disorder have been found to similarly contribute to the Dysregulation of affect, with symptoms like irritability, anxiety, apathy and dysphoria.
Microsleeps usually last for a few seconds, usually no longer than 15 seconds, [73] and happen most frequently when a person is trying to stay awake when they are feeling sleepy. [74] The person usually falls into microsleep while doing a monotonous task like driving, reading a book, or staring at a computer. [75]
The response rate to sleep deprivation is generally agreed to be approximately 40-60%. A 2017 meta-analysis of 66 sleep studies with partial or total sleep deprivation in the treatment of depression found that the overall response rate (immediate relief of symptoms) to total sleep deprivation was 50.4% of individuals, and the response rate to partial sleep deprivation was 53.1% [3] In 2009, a ...
Stress and sleep deprivation can negatively impact daily life. These factors often lead to decreased work performance, increased absenteeism, and a higher risk of illness. People who consistently lack sleep are more susceptible to heart disease, diabetes, and mental health issues such as depression and anxiety.
For people who are diagnosed with depression, spending time looking at depression memes—even those that may feel “dark” to others—may be a good thing, according to a 2020 study published ...
The 'maintenance of wakefulness test' (MWT) is a test that measures the ability to stay awake. [45] It is used to diagnose disorders of excessive somnolence, such as hypersomnia, narcolepsy or obstructive sleep apnea. [45] [46] During that test, patients sit comfortably and are instructed to try to stay awake. [45]