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Collecting Sleep, Circadian, Fatigue, and Performance Data in Complex Operational Environments
08:36

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Published on: August 8, 2019

Excessive daytime sleepiness and narcolepsy--an approach to investigation and management

Ian Morrison1, Renata L Riha

  • 1Department of Neurology, Ninewells Hospital, Dundee DD1 9SY, United Kingdom. ian_m@doctors.org.uk

European Journal of Internal Medicine
|January 31, 2012
PubMed

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Sleep-Wake Cycles

Sleep is an essential physiological process vital to maintaining overall well-being. The reticular activating system (RAS), a network of neurons in the brainstem, regulates wakefulness and sleep. While it may seem passive, sleep consists of distinct cycles, each with its unique characteristics and functions. Two key sleep phases are non-rapid eye movement (NREM) and  rapid eye movement (REM).
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Management of Insomnia

The sleep cycle, an integral part of human health, consists of several stages with distinct characteristics and functions. It begins with a transition from wakefulness to sleep, known as the light sleep phase, followed by the restorative deep sleep phase, essential for physical recovery and growth. The cycle concludes with the Rapid Eye Movement (REM) phase, characterized by high brain activity and vivid dreaming. Insomnia, a prevalent sleep disorder, involves difficulty falling asleep, staying...
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