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Consuming high amounts of the stimulant caffeine can result in interrupted sleep patterns and sometimes sleep deprivation. This vicious cycle can result in drowsiness which can then result in a higher consumption of caffeine in order to stay awake the next day. This cycle can lead to decreased cognitive function and an overall feeling of fatigue.
The term polyphasic sleep was first used in the early 20th century by psychologist J. S. Szymanski, who observed daily fluctuations in activity patterns. [2] It does not imply any particular sleep schedule. The circadian rhythm disorder known as irregular sleep-wake syndrome is an example of polyphasic sleep in humans.
Sleep deprivation, also known as sleep insufficiency [2] or sleeplessness, is the condition of not having adequate duration and/or quality of sleep to support decent alertness, performance, and health. It can be either chronic or acute and may vary widely in severity.
The man had sleep apnea—his airway was obstructed, which interrupted breathing at night, waking him repeatedly. But he refused Sullivan’s recommendation for surgery to create an opening in the ...
Sleep deprivation can lead to sleep debt and vice versa. Here’s an example further illustrating these distinctions: If you were to get six hours of sleep one night but your body needed eight ...
Based on this theory sleep deprivation works at first because it prevents sleep at the critical phase but in recovery sleep, the misalignment is reinstated. [ 26 ] In the two process model of sleep, it has been proposed, that depression is characterized by a deficiency in the building up of process S . [ 27 ]
When sleep paralysis is interpreted through a particular cultural filter, it may take on greater salience. For example, if sleep paralysis is feared in a certain culture, this fear could lead to conditioned fear, and thus worsen the experience, in turn leading to higher rates.
Sleep apnea (or sleep apnoea in British English; /æpˈniːə/) is a sleep disorder characterized by pauses in breathing or instances of shallow or infrequent breathing during sleep. Each pause in breathing, called an apnea, can last for several seconds to several minutes, and may occur 5 to 30 times or more in an hour.