Effects of sleep deprivation

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Sleep deprivation (SD) is a common phenomenon encountered by many individuals with different professions. [3] These professions include healthcare, security and drivers working at night. [1] The average length of sleep that an individual needs is between 7 and 8.5h per day. [quoted in 1] However, this varies between individuals with different age and gender. Pilcher and Huffcutt found that both total and partial SD give adverse effects on human functioning. [2] Researchers have concluded that sleep deprivation affects cognitive performance [1,2], motor performance and mood of an individual. [2] One of the effects that has been studied is the decrement in cognitive performance. Impairments in cognitive performance can be seen through decreased attention and vigilance. [1,2] This is because prolonged wakefulness affects the functioning of frontal lobes. [1] Similarly, Maddox et al [3] also agreed that the function of prefrontal cortex affects cognitive performance, but they pointed out that the tasks needed to be completed also involve other brain regions. Therefore, it is difficult t...

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