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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.
The circadian rhythm provides a person with a signal for when to sleep and when to wake up. [43] If circadian rhythm and sleep-wake cycle are misaligned, this might lead to negative affect and emotional instability. [44] It has been found that emotions vary depending on the circadian rhythm and the duration of how long one was awake. [45]
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 ...
According to a 2000 study, sleep deprivation can have some of the same hazardous effects as being drunk. [46] People who drove after being awake for 17–19 hours performed worse than those with a blood alcohol level of 0.05 percent, which is the legal limit for drunk driving in most western European countries and Australia.
The Maintenance of Wakefulness Test (MWT) measures a person's ability to stay awake for a certain period of time, essentially measuring the time one can stay awake during the day. The test isolates a person from factors that can influence sleep such as temperature, light, and noise.
This test measures whether a person can stay awake during a time when she or he is normally awake. [2] [4] Like the MSLT, the MWT is performed in a sleep diagnostic center over 4 - 5 nap periods. A mean sleep onset latency of less than 10 minutes is suggestive of excessive daytime sleepiness.
This test is performed in a sleep diagnostic center. The test is similar to the MSLT as it also relies on a measurement of initial sleep latency. However, during this test, the patient is instructed to try to stay awake under soporific conditions for a defined time. [17] [18]
Lack of sleep amplifies anxiety in people who already experience increased levels of worry. [42] A survey of college students in 2018 showed 63% of students felt "overwhelming anxiety." Depression has also been linked to sleeplessness. In a study of 1,000 young adults those with sleep issues were four times more likely to develop depression. [43]
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